Prosecution Insights
Last updated: May 29, 2026
Application No. 18/504,036

SIDEWALL LEAK CONTAINMENT AND DETECTION SYSTEM FOR A FURNACE

Non-Final OA §102
Filed
Nov 07, 2023
Examiner
WILSON, GREGORY A
Art Unit
3762
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Systems Spray Cooled, LLC
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
2m
Est. Remaining
88%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
974 granted / 1191 resolved
+11.8% vs TC avg
Moderate +7% lift
Without
With
+6.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
19 currently pending
Career history
1213
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
53.8%
+13.8% vs TC avg
§102
37.9%
-2.1% vs TC avg
§112
6.1%
-33.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1191 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 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. Claim(s) 1-4 and 12-14 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Lehr (5,561,685). Lehr discloses a sidewall (22) for a metallurgical furnace (10), the sidewall includes an upper wall (30); an outer wall coupled to the upper wall and extending downward from the upper wall; an inner wall coupled to the upper wall, the inner wall extending downward from the upper wall, the inner wall having an inner surface facing and circumscribed by the outer wall; a bottom wall (35) coupled to the inner wall, the bottom wall having a bottom extension wall (9) extending away from the inner wall; and a liner wall (10) attached to the bottom extension wall and extending upward in a spaced apart relationship to the inner wall (SEE Annotated Figure 1 for clarification); and a spray cooling assembly disposed between the inner wall and the outer wall, the spray cooling assembly (600, 620) configured to spray coolant on the inner surface of the inner wall (SEE Figure 4). PNG media_image1.png 651 411 media_image1.png Greyscale In re claim 2, Lehr further discloses a cover wall (SEE Annotated Figure 1) attached to an upper portion of the liner wall, the cover wall extending away from the liner wall. In re claim 3, Lehr further discloses that the bottom extension wall (9) is attached to the bottom wall or the inner wall (SEE Annotated Figure 1). In re claim 4, as per Annotated Figure 1, Lehr discloses that the inner wall is substantially straight between the upper wall (30) and the bottom wall (35) (Figure 4). In re claim 12, Lehr discloses a metallurgical furnace (arc furnace 10) including a hearth; a plurality of refractory bricks (SEE bricks in Figure 4 with liner wall 10) lining a portion of the hearth; and a sidewall (22) disposed on the hearth, the sidewall includes an upper wall (30); an outer wall coupled to the upper wall and extending downward from the upper wall (SEE Annotated Figure 1); an inner wall coupled to the upper wall, the inner wall extending downward from the upper wall, the inner wall having an inner surface facing and circumscribed by the outer wall; a bottom wall (35) coupled to the inner wall, the bottom wall having a bottom extension wall (9) extending away from the inner wall; and a liner wall (10) attached to the bottom extension wall and extending upward in a spaced apart relationship to the inner wall (SEE Annotated Figure 1), the liner wall disposed along a portion the plurality of refractory bricks; and a spray cooling assembly (600, 620) disposed between the inner wall and the outer wall, the spray cooling assembly configured to spray coolant on the inner surface of the inner wall (SEE Figure 4). In re claim 13, Lehr further discloses a cover wall (SEE Annotated Figure 1) attached to an upper portion of the liner wall, the cover wall at partially disposed on a top surface of the plurality of refractory bricks. In re claim 14, Lehr discloses that the bottom extension wall (9) is attached to the bottom wall or the inner wall (SEE Annotated Figure 1). Allowable Subject Matter Claims 17-20 are allowed. Claims 5-11, 15 and 16 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Any inquiry concerning this communication or earlier communications from the examiner should be directed to GREGORY A WILSON whose telephone number is (571)272-4882. The examiner can normally be reached M-F; 7:00am-4:30pm. 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, Steve McAllister can be reached at 571-272-6785. 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. /GREGORY A WILSON/Primary Examiner, Art Unit 3762 January 21, 2026
Read full office action

Prosecution Timeline

Nov 07, 2023
Application Filed
Jan 26, 2026
Non-Final Rejection mailed — §102
Apr 22, 2026
Examiner Interview Summary
Apr 22, 2026
Applicant Interview (Telephonic)
Apr 24, 2026
Response Filed

Precedent Cases

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

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Prosecution Projections

1-2
Expected OA Rounds
82%
Grant Probability
88%
With Interview (+6.7%)
2y 9m (~2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1191 resolved cases by this examiner. Grant probability derived from career allowance rate.

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