Prosecution Insights
Last updated: September 25, 2026
Application No. 19/071,629

Lumbar Support with Armrests Featuring Tightness Adjustment Function

Non-Final OA §103
Filed
Mar 05, 2025
Priority
Dec 24, 2024 — CN 202423199736.4
Examiner
KIM, SHIN H
Art Unit
3636
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Bixing Trading (Huizhou) Co. Ltd.
OA Round
1 (Non-Final)
64%
Grant Probability
Moderate
1-2
OA Rounds
8m
Est. Remaining
76%
With Interview

Examiner Intelligence

Grants 64% of resolved cases
64%
Career Allowance Rate
755 granted / 1173 resolved
+12.4% vs TC avg
Moderate +12% lift
Without
With
+11.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
31 currently pending
Career history
1192
Total Applications
across all art units

Statute-Specific Performance

§101
0.9%
-39.1% vs TC avg
§103
56.7%
+16.7% vs TC avg
§102
26.4%
-13.6% vs TC avg
§112
9.5%
-30.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1173 resolved cases

Office Action

§103
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 Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 1, 2, 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over Valentyn Serdyuk U.S. Patent Publication 2015/0075539 A1 (Serdyuk) in view of Sadik Oz U.S. Patent Publication 2006/0116251 A1 (Oz). Regarding claims 1 and 9, Serdyuk discloses a lumbar support with armrests featuring a tightness adjustment function, comprising a lumbar support body, wherein the lumbar support body comprises a backrest area (Element 9), a lumbar support protrusion area, and a hip support (Element 5) area sequentially arranged from top to bottom; and armrests (Element 8) are provided on both sides of the lumbar support body, and a strap (Element 12) is connected between the two armrests, with a tightness adjustment mechanism capable of tightness adjustment provided on the strap (Figure 2). Serdyuk does not directly disclose the strap to be elastic. Oz discloses an elastic strap provided with a seat system to support a seated user (Element 2). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk as taught by Oz to include Oz’ elastic strap material. Such a modification would provide a means to flexibly support the user secured by the strap. Regarding claim 2, Serdyuk in view of Oz discloses the lumbar support with armrests featuring a tightness adjustment function wherein the armrests are provided with fixing looped belts (Figure 2, [0055], Serdyuk). Claim(s) 3, 4, 8-13, 17-19 is/are rejected under 35 U.S.C. 103 as being unpatentable over Valentyn Serdyuk U.S. Patent Publication 2015/0075539 A1 (Serdyuk) in view of Sadik Oz U.S. Patent Publication 2006/0116251 A1 (Oz) further in view of Thomas Charles Baloga et al. U.S. Patent 6,209,957 B1 (Baloga). Regarding claim 3, Serdyuk in view of Oz discloses the lumbar support with armrests featuring a tightness adjustment function. Serdyuk in view of Oz does not directly disclose two mounting buckles. Baloga discloses a support with an adjustment function wherein the tightness adjustment mechanism comprises a tightness adjustment buckle and two mounting buckles, with hooks provided on the mounting buckles for connecting to the fixing looped belts (Figure 4-5). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Baloga to include Baloga’s mounting buckles and hooks. Such a modification would provide a means to securely fasten the strap to the user. Regarding claims 4 and 8, Serdyuk in view of Oz in view of Baloga discloses lumbar support with armrests featuring a tightness adjustment function wherein one end of the elastic strap passes through one of the mounting buckles, and the other end passes through the tightness adjustment buckle and the other mounting buckle before passing through the tightness adjustment buckle again (Figure 4-5 Element 34 and 38, Baloga teaching); wherein both ends of the elastic strap are respectively connected to mounting buckles, a middle part of the elastic strap is provided with a tightness adjustment buckle, and the hook is configured to hook into the fixing looped belt to achieve detachable connection with the fixing looped belt (shown in Figures 4-5, Baloga). Regarding claim 9, Serdyuk in view of Oz discloses the lumbar support with armrests featuring a tightness adjustment function wherein the elastic strap component. Serdyuk in view of Oz does not directly disclose the elastic strap component to have a quick release element. Baloga discloses a system wherein the strap component comprises quick-release connectors installed on respective armrest components and an elastic strap connected to the quick-release connectors on both sides, with a tightness adjustment mechanism capable of tightness adjustment provided on the elastic strap (Element 32); wherein the quick-release connector comprises a fixing looped belt installed on each armrest component (in view of Serdyuk). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Baloga to include Baloga’s mounting buckles and hooks with a quick release. Such a modification would provide a means to securely fasten the strap to the user. Regarding claims 10 and 11, Serdyuk in view of Oz discloses the lumbar support with armrests featuring a tightness adjustment function. Serdyuk in view of Oz does not directly disclose the elastic strap component to have a quick release element. Baloga discloses a system wherein the strap component comprises quick-release connectors installed on respective armrest components and an elastic strap connected to the quick-release connectors on both sides, with a tightness adjustment mechanism capable of tightness adjustment provided on the elastic strap (Element 32); wherein the quick-release connector comprises a fixing looped belt installed on each armrest component (in view of Serdyuk). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Baloga to include Baloga’s mounting buckles and hooks with a quick release. Such a modification would provide a means to securely fasten the strap to the user. Regarding claim 12, Serdyuk in view of Oz in view of Baloga discloses lumbar support with armrests featuring a tightness adjustment function discloses a support with an adjustment function wherein the tightness adjustment mechanism comprises a tightness adjustment buckle and two mounting buckles, with hooks provided on the mounting buckles for connecting to the fixing looped belts (Figure 4-5, Baloga). Regarding claim 13, Serdyuk in view of Oz discloses the lumbar support with armrests featuring a tightness adjustment function wherein the armrest components are installed in the lumbar support area, which comprises a forward protruding curved protrusion, gradually transitioning side wing support surfaces, and a deformable internal cushion layer (Figure 2, Serdyuk). Regarding claims 17 and 18, Serdyuk discloses a lumbar support with armrests featuring a tightness adjustment function, comprising a lumbar support body, wherein the lumbar support body comprises a backrest area (Element 9), a lumbar support protrusion area, and a hip support (Element 5) area sequentially arranged from top to bottom; and armrests (Element 8) are provided on both sides of the lumbar support body, and a strap (Element 12) is connected between the two armrests, with a tightness adjustment mechanism capable of tightness adjustment provided on the strap (Figure 2). Serdyuk does not directly disclose the strap to be elastic. Oz discloses an elastic strap provided with a seat system to support a seated user (Element 2). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk as taught by Oz to include Oz’ elastic strap material. Such a modification would provide a means to flexibly support the user secured by the strap. Serdyuk in view of Oz does not directly disclose the elastic strap component to have a quick release element. Baloga discloses a system wherein the strap component comprises quick-release connectors installed on respective armrest components and an elastic strap connected to the quick-release connectors on both sides, with a tightness adjustment mechanism capable of tightness adjustment provided on the elastic strap (Element 32); wherein the quick-release connector comprises a fixing looped belt installed on each armrest component (in view of Serdyuk). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Baloga to include Baloga’s mounting buckles and hooks with a quick release. Such a modification would provide a means to securely fasten the strap to the user. Regarding claim 19, Serdyuk in view of Oz in view of Baloga discloses the lumbar support with armrests featuring a tightness adjustment function wherein the armrest components are installed in the lumbar support area, which comprises a forward protruding curved protrusion, gradually transitioning side wing support surfaces, and a deformable internal cushion layer (Figure 2, Serdyuk). Claim(s) 5-7, 14-16 is/are rejected under 35 U.S.C. 103 as being unpatentable over Valentyn Serdyuk U.S. Patent Publication 2015/0075539 A1 (Serdyuk) in view of Sadik Oz U.S. Patent Publication 2006/0116251 A1 (Oz) further in view of Willis R. Battles et al. U.S. Patent 2,567,048 (Battles). Regarding claims 5 and 14, Serdyuk in view of Oz discloses lumbar support with armrests featuring a tightness adjustment function. Serdyuk in view of Oz does not directly disclose built in cylinders. Battles discloses a support system wherein the bottom of the lumbar support body is embedded with built-in cylinders, in which lifting columns are mounted; and a bottom end of the lifting column is equipped with a support plate, and the built-in cylinders are disposed on both sides of the bottom of the lumbar support body, with two built-in cylinders on each side arranged in front and rear positions (Element 92, 94, 95, 96). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Battles to include Battles’ cylinders. Such a modification would provide a means to support the system on a support surface with support feet. Regarding claims 6, 7, 15 and 16, Serdyuk in view of Oz in view of Battles discloses lumbar support with armrests featuring a tightness adjustment function wherein both the inside of the built-in cylinder and the outside of the lifting column are provided with threads, and the built-in cylinder and the lifting column are connected by the threads; wherein the bottom of the built-in cylinder is threadedly connected with a bolt, wherein a threaded section of the bolt constitutes the lifting column, and a head of the bolt constitutes the support plate (Element 92, 94, 95, 96, Battles). Claim(s) 20 is/are rejected under 35 U.S.C. 103 as being unpatentable over Valentyn Serdyuk U.S. Patent Publication 2015/0075539 A1 (Serdyuk) in view of Sadik Oz U.S. Patent Publication 2006/0116251 A1 (Oz) in view of Baloga further in view of Willis R. Battles et al. U.S. Patent 2,567,048 (Battles). Regarding claim 20, Serdyuk in view of Oz discloses lumbar support with armrests featuring a tightness adjustment function. Serdyuk in view of Oz does not directly disclose built in cylinders. Battles discloses a support system wherein the bottom of the lumbar support body is embedded with built-in cylinders, in which lifting columns are mounted; and a bottom end of the lifting column is equipped with a support plate, and the built-in cylinders are disposed on both sides of the bottom of the lumbar support body, with two built-in cylinders on each side arranged in front and rear positions (Element 92, 94, 95, 96); wherein both the inside of the built-in cylinder and the outside of the lifting column are provided with threads, and the built-in cylinder and the lifting column are connected by the threads; wherein the bottom of the built-in cylinder is threadedly connected with a bolt, wherein a threaded section of the bolt constitutes the lifting column, and a head of the bolt constitutes the support plate (Element 92, 94, 95, 96, Battles). Therefore, it would have been an obvious modification well known in the art before the effective filing date of the claimed invention to modify Serdyuk in view of Oz as taught by Battles to include Battles’ cylinders. Such a modification would provide a means to support the system on a support surface with support feet. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Any inquiry concerning this communication or earlier communications from the examiner should be directed to SHIN H KIM whose telephone number is (571)272-7788. The examiner can normally be reached Monday-Friday 9AM-6PM. 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, David Dunn can be reached at 571-272-6670. 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. /SHIN H KIM/Primary Examiner, Art Unit 3636
Read full office action

Prosecution Timeline

Mar 05, 2025
Application Filed
Sep 10, 2026
Non-Final Rejection mailed — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12741577
SIDE WING ADJUSTMENT MECHANISM AND ADJUSTABLE SITTING DEVICE
2y 5m to grant Granted Sep 22, 2026
Patent 12734943
VEHICLE SEAT
2y 9m to grant Granted Sep 15, 2026
Patent 12728768
DEVICE FOR FASTENING A LONGITUDINAL ADJUSTER FOR A VEHICLE SEAT TO A VEHICLE STRUCTURE, AND VEHICLE
2y 8m to grant Granted Sep 08, 2026
Patent 12722547
Magnetic Heated Seat Device
2y 6m to grant Granted Sep 01, 2026
Patent 12703280
LUMBAR SUPPORT DEVICE FOR IMPROVEMENT OF EXHAUST PERFORMANCE AND CONTROL METHOD THEREOF
2y 5m to grant Granted Aug 11, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2
Expected OA Rounds
64%
Grant Probability
76%
With Interview (+11.5%)
2y 2m (~8m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1173 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month