Prosecution Insights
Last updated: August 15, 2026
Application No. 18/003,675

CORRECTION APPARATUS FOR CORRECTING THE PLANARITY OF A METAL STRIP AND RELATED CORRECTION METHOD

Non-Final OA §112
Filed
Dec 28, 2022
Priority
Jul 02, 2020 — IT 102020000016012 +1 more
Examiner
BOWMAN, ANDREW J
Art Unit
1717
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Danieli & C. Officine Meccaniche S.p.A.
OA Round
3 (Non-Final)
66%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
79%
With Interview

Examiner Intelligence

Grants 66% — above average
66%
Career Allowance Rate
586 granted / 893 resolved
+0.6% vs TC avg
Moderate +13% lift
Without
With
+13.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
55 currently pending
Career history
974
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
61.4%
+21.4% vs TC avg
§102
19.5%
-20.5% vs TC avg
§112
15.1%
-24.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 893 resolved cases

Office Action

§112
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 § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 18-21 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 18 recites the limitation "the step of correcting the planarity" the claim. There is insufficient antecedent basis for this limitation in the claim. Allowable Subject Matter Claims 1-17 and 21 were allowed. The following is an examiner’s statement of reasons for allowance: it is not known in the prior art to provide a correction apparatus for correcting a planarity of a metal strip advancing into a coating system for coating said metal strip with a layer of molten metal, said apparatus comprising: a last bridle roll of an annealing furnace adapted to modify a direction of a feeding path of the metal strip at the exit of said annealing furnace; only one sink roll, arranged downstream of the last bridle roll along said feeding path and inside a tank adapted to contain a bath of said molten metal, said sink roll being adapted to modify the direction of the feeding path of the metal strip inside the tank; a correction device for correcting the planarity of the metal strip, arranged between said last bridle roll and said only one sink roll; wherein said correction device comprises at least two motorized rolls arranged outside the tank, wherein a first fixed motorized roll of said at least two motorized rolls is distal from said last bridle roll in a fixed position with respect to the feeding path of the metal strip, said first fixed motorized roll being arranged on a first side of said feeding path; wherein said last bridle roll is also arranged on said first side; and wherein a second movable motorized roll of said at least two motorized rolls is arranged on a second side, opposite to the first side, of said feeding path, is proximal to said last bridle roll and movable along a trajectory which intersects a plane A, defined by rotation axes X, Y of the last bridle roll and the first fixed motorized roll, respectively, in an intermediate position between said rotation axes X, Y, so as to bend said metal strip in an opposite direction to a bending imparted by said last bridle roll and to perform a penetration on the metal strip which generates a localized plastic deformation opposite to that produced by the only one sink roll arranged on said first side of said feeding path as in claim 1. The most pertinent prior art (previously cited as Takahashi et al., USPGPub 2005/0115052) teaches the it is known to adjust the bending of roll of sheet metal using an apparatus having a similar arrangement of rollers relative to one another and an annealing oven. However, the roll arrangement is not that claimed and would not be obvious to modify so as to provide the arrangement of the current claims which is provided to correct the planarity of the sheet metal. Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.” Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANDREW J BOWMAN whose telephone number is (571)270-5342. The examiner can normally be reached Mon-Sat 5:00AM-11:00AM. 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, Dah-Wei Yuan can be reached at 571-272-1295. 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. /ANDREW J BOWMAN/Examiner, Art Unit 1717
Read full office action

Prosecution Timeline

Show 1 earlier event
Aug 25, 2025
Non-Final Rejection mailed — §112
Nov 21, 2025
Response Filed
Dec 29, 2025
Final Rejection mailed — §112
Apr 27, 2026
Examiner Interview Summary
Apr 27, 2026
Applicant Interview (Telephonic)
Apr 28, 2026
Request for Continued Examination
Apr 29, 2026
Response after Non-Final Action
Jun 02, 2026
Non-Final Rejection mailed — §112 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
66%
Grant Probability
79%
With Interview (+13.2%)
3y 5m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 893 resolved cases by this examiner. Grant probability derived from career allowance rate.

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