Prosecution Insights
Last updated: August 06, 2026
Application No. 18/897,745

COLLAPSIBLE AND CONVERTIBLE STROLLER WITH ASSOCIATED HANDLE AND FOLDING MECHANISM

Non-Final OA §102
Filed
Sep 26, 2024
Priority
Oct 03, 2023 — provisional 63/587,616
Examiner
NEYZARI, OMID
Art Unit
Tech Center
Assignee
Britax Child Safety Inc.
OA Round
1 (Non-Final)
100%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 100% — above average
100%
Career Allowance Rate
2 granted / 2 resolved
+40.0% vs TC avg
Minimal +0% lift
Without
With
+0.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
17 currently pending
Career history
10
Total Applications
across all art units

Statute-Specific Performance

§103
47.2%
+7.2% vs TC avg
§102
25.0%
-15.0% vs TC avg
§112
27.8%
-12.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 2 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Objections Claims 7 and 17 are objected to because of the following informalities: I. The examiner has understood the excerpt as “when the first component is engaged with”. Claim 11 is objected to because of the following informality: “a” in the excerpt “via a the first button” is unnecessary and has been disregarded by the examiner. Appropriate correction is required. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1-20 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Jacob et al. (NL 2029222 B1), hereinafter "Jacob". Regarding claim 1, Jacob discloses a collapsible stroller (foldable stroller 1, figs. 1A, 1B, and 2, pp. 5-6, lines 23-2), comprising: an upper handlebar assembly (inner tubes 15 of the handlebar 11, fig. 1A); a lower handlebar assembly (outer tubes 13 of the handlebar 11, fig. 1A) connected to the upper handlebar assembly (“telescopic handlebar 11 comprising a pair of outer tubes 13, one on each lateral side of the stroller 1, within which inner tubes 15 may slide”, p. 5, lines 32-33); a pair of rear leg frames (rear legs 5, fig. 1A) pivotally connected with the lower handlebar assembly (“a central joint 21 connects the rear legs 5, front legs 9 and outer tubes 13 of the handlebar 11”, p. 6, lines 26-27) on a left side and a right side of the stroller, respectively; and a control module (control panel 17 comprising primary 16a and secondary 16b actuator buttons, figs. 1A and 1B, pp. 5-6, lines 33-1) configured to extend or retract the upper handlebar assembly in relation to the lower handlebar assembly via a first control mode (“pressing the primary actuator button 16a and depressing the handle 11 to adjust handle height”, p. 8, lines 27-28), and further configured to collapse the pair of rear leg frames with respect to the lower handlebar assembly via a second control mode (“secondary actuator button 16b of the control panel 17 is used when releasing the stroller 1 for folding”, p. 6, lines 23-24). Regarding claim 2, Jacob discloses the collapsible stroller of claim 1, wherein the upper handlebar assembly includes a generally U-shaped handle portion (generally U-shaped push bar 19 as shown in figs. 1A and 1B) and two tubular members extend axially downward from two side portions of the U-shaped handle portion (two inner tubes 15 extending axially downward from two sides of push bar 19 as shown in figs. 1A and 1B). Regarding claim 3, Jacob discloses the collapsible stroller of claim 2, wherein the lower handlebar assembly includes two tubular leg members configured to respectively receive the two tubular members of the upper handlebar assembly (“telescopic handlebar 11 comprising a pair of outer tubes 13, one on each lateral side of the stroller 1, within which inner tubes 15 may slide”, p. 5, lines 32-33, fig. 1A). Regarding claim 4, Jacob discloses the collapsible stroller of claim 3, wherein a distal end of each tubular member of the upper handlebar assembly is connected with a sub-assembly (the sub-assembly actuated by control panel 17 and positioned proximate outer tubes 13, inner tubes 15, and rear legs 5), wherein the sub-assembly includes a first component configured to control relative movements between the upper and lower handlebar assemblies (“movable protruding element 15a provided on the inner tube 15 … to release the fixation of the inner tubes 15 relative to the outer tubes 13”, p. 6, lines 7-11, figs. 3B, 3E, and 3F), and a second component (“releasable locking mechanism comprising first 29a and second 29b locking rings, a lever 30 and a cylindrical disk or collar 31 having externally protruding cam portions 33”, p. 7, lines 7-9, figs. 6A-B) configured to collapse the pair of rear leg frames with respect to the lower handlebar assembly (“releasable locking mechanism being released so that the handlebar 11 and front and rear legs 9, 5 of the stroller 1 are freed to rotate independently around the central joint 21”, p. 9, lines 18-21, figs. 3C, 3D, and 7A-C). Regarding claim 5, Jacob discloses the collapsible stroller of claim 4, wherein each tubular leg member of the lower handlebar assembly includes a plurality of holes (“plurality of recesses 13a provided on the outer tube 13”, p. 6, lines 8-9, figs. 3E-G) configured to engage with the first component (“movable protruding element 15a provided on the inner tube 15 … [for] engagement with one of a plurality of recesses 13a”, p. 6, line 13) and the second component (releasable locking mechanism released when inner tubes 15 surpass the lowest height setting and press lever 30 to initiate folding as described in pp. 8-9, lines 26-17). Regarding claim 6, Jacob discloses the collapsible stroller of claim 5, wherein, in response to detecting that the first control mode is activated, the control module is configured to move the first component into an unlocked position, such that the upper handlebar assembly moves relative to the lower handlebar assembly (“primary actuator button 16a is pressed by a user, resulting in cables within the handlebar 11 being pulled to retract a movable protruding element 15a provided on the inner tube 15 from engagement with one of a plurality of recesses 13a provided on the outer tube 13, thus to release the fixation of the inner tubes 15 relative to the outer tubes 13”, p. 6, lines 6-11, figs. 3B, 3E, and 3F). Regarding claim 7, Jacob discloses the collapsible stroller of claim 5, wherein the first control mode is deactivated when the first component is engaged with one of the plurality of holes on each tubular leg member of the lower handlebar assembly, thereby locking the upper handlebar assembly to the lower handlebar assembly at a selected position (“when a desired lower or higher handle bar position is reached, the primary actuator button16a can be released, causing the movable protruding element 15a provided on the inner tube 15 to engage with a further one of the corresponding recesses 13a, such that the push bar 19 is fixed at a new height.”, p. 6, lines 18-21). Regarding claim 8, Jacob discloses the collapsible stroller of claim 7, wherein, in response to detecting that the first component is engaged with a lowest hole on each tubular leg member of the lower handlebar assembly and the second control mode is activated, the control module is configured to force the second component to project out the lowest hole in order to unlock a hinge associated with the pair of rear leg frames (“to fold the stroller 1, the handlebar 11 firstly has to be adjusted to its lowest height … user actuates the secondary actuator button 16b of the control panel 17 on the handlebar 11 usage position … further handlebar movement results in the leading edge of each inner tube 15 pressing the lever 30” which in turn results in free rotation of rear legs 5 relative to outer tubes 13 at central joint 21, pp. 8-9, lines 26-21). Regarding claim 9, Jacob discloses the collapsible stroller of claim 8, wherein the hinge is activated (central joint 21 activated once handlebar 11 is at its lowest position and buttons of control panel 17 are actuated, fig. 8B, pp. 8-9, lines 26-6) to allow the pair of rear leg frames to pivot about a connection component coupled with the lower handlebar assembly (housing of central joint 21 extending onto outer tubes 13, fig. 8B), thereby collapsing the pair of rear leg frames with respect to the lower handlebar assembly (“front- and rear leg 5, 9 can rotate freely relative to each other and to the handlebar outer tube 13”, p. 9, lines 16-17). Regarding claim 10, Jacob discloses the collapsible stroller of claim 1, wherein the second control mode of the control module only activates when the first component is engaged with the lowest hole on each tubular leg member of the lower handlebar assembly (“to fold the stroller 1, the handlebar 11 firstly has to be adjusted to its lowest height usage position … the user actuates the secondary actuator button16b of the control panel 17 on the handlebar 11, p. 8, lines 26-32). Regarding claim 11, Jacob discloses a collapsible stroller (foldable stroller 1, figs. 1A, 1B, and 2, pp. 5-6, lines 23-2), comprising: an upper handlebar assembly (inner tubes 15 of the handlebar 11, fig. 1A); a lower handlebar assembly (outer tubes 13 of the handlebar 11, fig. 1A) connected to the upper handlebar assembly (“telescopic handlebar 11 comprising a pair of outer tubes 13, one on each lateral side of the stroller 1, within which inner tubes 15 may slide”, p. 5, lines 32-33); a pair of rear leg frames (rear legs 5, fig. 1A) pivotally connected with the lower handlebar assembly (“a central joint 21 connects the rear legs 5, front legs 9 and outer tubes 13 of the handlebar 11”, p. 6, lines 26-27) on a left side and a right side of the stroller, respectively; and a control module having a first button and a second button (control panel 17 comprising primary 16a and secondary 16b actuator buttons, figs. 1A and 1B, pp. 5-6, lines 33-1), the control module configured to extend or retract the upper handlebar assembly in relation to the lower handlebar assembly via the first button (“pressing the primary actuator button 16a and depressing the handle 11 to adjust handle height”, p. 8, lines 27-28). Regarding claim 12, Jacob discloses the collapsible stroller of claim 11, wherein the upper handlebar assembly includes a generally U-shaped handle portion (generally U-shaped push bar 19, figs. 1A and 1B) and two tubular members extend axially downward from two side portions of the U-shaped handle portion (two inner tubes 15 extending axially downward from two sides of push bar 19 as shown in figs. 1A and 1B). Regarding claim 13, Jacob discloses the collapsible stroller of claim 12, wherein the lower handlebar assembly includes two tubular leg members configured to respectively receive the two tubular members of the upper handlebar assembly (“telescopic handlebar 11 comprising a pair of outer tubes 13, one on each lateral side of the stroller 1, within which inner tubes 15 may slide”, p. 5, lines 32-33, fig. 1A). Regarding claim 14, Jacob discloses the collapsible stroller of claim 13, wherein a distal end of each tubular member of the upper handlebar assembly is connected with a sub-assembly (the sub-assembly actuated by control panel 17 and positioned proximate outer tubes 13, inner tubes 15, and rear legs 5), wherein the sub-assembly includes a first component configured to control relative movements between the upper and lower handlebar assemblies (“movable protruding element 15a provided on the inner tube 15 … to release the fixation of the inner tubes 15 relative to the outer tubes 13”, p. 6, lines 7-11, figs. 3B, 3E, and 3F), and a second component (“releasable locking mechanism comprising first 29a and second 29b locking rings, a lever 30 and a cylindrical disk or collar 31 having externally protruding cam portions 33”, p. 7, lines 7-9, figs. 6A-B) configured to collapse the pair of rear leg frames with respect to the lower handlebar assembly (“releasable locking mechanism being released so that the handlebar 11 and front and rear legs 9, 5 of the stroller 1 are freed to rotate independently around the central joint 21”, p. 9, lines 18-21, figs. 3C, 3D, and 7A-C). Regarding claim 15, Jacob discloses the collapsible stroller of claim 14, wherein each tubular leg member of the lower handlebar assembly includes a plurality of holes (“plurality of recesses 13a provided on the outer tube 13”, p. 6, lines 8-9, figs. 3E-G) configured to engage with the first component (“movable protruding element 15a provided on the inner tube 15 … [for] engagement with one of a plurality of recesses 13a”, p. 6, line 13) and the second component (releasable locking mechanism released when inner tubes 15 surpass the lowest height setting and press lever 30 to initiate folding as described in pp. 8-9, lines 26-17). Regarding claim 16, Jacob discloses the collapsible stroller of claim 15, wherein, in response to detecting that the first button is activated, the control module is configured to move the first component into an unlocked position, such that the upper handlebar assembly moves relative to the lower handlebar assembly (“primary actuator button 16a is pressed by a user, resulting in cables within the handlebar 11 being pulled to retract a movable protruding element 15a provided on the inner tube 15 from engagement with one of a plurality of recesses 13a provided on the outer tube 13, thus to release the fixation of the inner tubes 15 relative to the outer tubes 13”, p. 6, lines 6-11, figs. 3B, 3E, and 3F). Regarding claim 17, Jacob discloses the collapsible stroller of claim 15, wherein the first button is deactivated when the first component is engaged with one of the plurality of holes on each tubular leg member of the lower handlebar assembly, thereby locking the upper handlebar assembly to the lower handlebar assembly at a selected position (“when a desired lower or higher handle bar position is reached, the primary actuator button16a can be released, causing the movable protruding element 15a provided on the inner tube 15 to engage with a further one of the corresponding recesses 13a, such that the push bar 19 is fixed at a new height.”, p. 6, lines 18-21). Regarding claim 18, Jacob discloses the collapsible stroller of claim 17, further configured to collapse the pair of rear leg frames with respect to the lower handlebar assembly via the second button (“secondary actuator button 16b of the control panel 17 is used when releasing the stroller 1 for folding”, p. 6, lines 23-24), wherein, in response to detecting that the first component is engaged with a lowest hole on each tubular leg member of the lower handlebar assembly and the second button is activated, the control module is configured to force the second component to project out the lowest hole in order to unlock a hinge associated with the pair of rear leg frames (“to fold the stroller 1, the handlebar 11 firstly has to be adjusted to its lowest height … user actuates the secondary actuator button 16b of the control panel 17 on the handlebar 11 usage position … further handlebar movement results in the leading edge of each inner tube 15 pressing the lever 30” which in turn results in free rotation of rear legs 5 relative to outer tubes 13 at central joint 21, pp. 8-9, lines 26-21). Regarding claim 19, Jacob discloses the collapsible stroller of claim 18, wherein the hinge is activated (central joint 21 activated once handlebar 11 is at its lowest position and buttons of control panel 17 are actuated, fig. 8B, pp. 8-9, lines 26-6) to allow the pair of rear leg frames to pivot about a connection component coupled with the lower handlebar assembly (housing of central joint 21 extending onto outer tubes 13, fig. 8B), thereby collapsing the pair of rear leg frames with respect to the lower handlebar assembly (“front- and rear leg 5, 9 can rotate freely relative to each other and to the handlebar outer tube 13”, p. 9, lines 16-17). Regarding claim 20, Jacob discloses the collapsible stroller of claim 11, wherein the second button of the control module only activates when the first component is engaged with the lowest hole on each tubular leg member of the lower handlebar assembly (“to fold the stroller 1, the handlebar 11 firstly has to be adjusted to its lowest height usage position … the user actuates the secondary actuator button16b of the control panel 17 on the handlebar 11, p. 8, lines 26-32). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Additional art of record relates to strollers having features relevant to the claimed invention. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MOHAMMAD OMID NEYZARI whose telephone number is (571)272-9530. The examiner can normally be reached Monday-Friday, 8 AM-5 PM. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Allen Shriver can be reached at (303) 297-4337. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /MOHAMMAD OMID NEYZARI/Examiner, Art Unit 3613 /JAMES A SHRIVER II/Supervisory Patent Examiner, Art Unit 3613
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Prosecution Timeline

Sep 26, 2024
Application Filed
Jul 22, 2026
Non-Final Rejection mailed — §102 (current)

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Prosecution Projections

1-2
Expected OA Rounds
100%
Grant Probability
99%
With Interview (+0.0%)
2y 3m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 2 resolved cases by this examiner. Grant probability derived from career allowance rate.

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