Prosecution Insights
Last updated: July 17, 2026
Application No. 18/423,953

3-PIECE COMPRESSION COUPLING FOR ELECTRICAL METALLIC TUBING

Non-Final OA §102
Filed
Jan 26, 2024
Priority
Jan 31, 2023 — IN 202311006104
Examiner
DUNWOODY, AARON M
Art Unit
3679
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Emerson Electric Co.
OA Round
3 (Non-Final)
75%
Grant Probability
Favorable
3-4
OA Rounds
3m
Est. Remaining
86%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allowance Rate
1221 granted / 1627 resolved
+23.0% vs TC avg
Moderate +12% lift
Without
With
+11.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
42 currently pending
Career history
1665
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
19.9%
-20.1% vs TC avg
§102
63.1%
+23.1% vs TC avg
§112
13.7%
-26.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1627 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 . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 4/20/2026 has been entered. Claim Rejections - 35 USC § 102 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, 5-9, 13-15 and 17 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by US 4250348, Kitagawa. Note, the conduit is not considered part of the claimed invention. In regards to claim 1, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses a compression coupling assembly for joining to a conduit, the compression coupling assembly comprising: a coupling body (1) having a first end portion and a central portion (2), wherein the coupling body is configured to receive the conduit through the first end portion, the first end portion having a threaded portion (4) on an outer surface of the coupling body, and a plurality of spaced-apart teeth (7) extending axially away from the first end portion and the central portion, wherein each of the teeth has a distal end portion (12) located furthest away from the central portion of the coupling body, and a proximal end portion located between the distal end portion and the central portion of the coupling body; and a compression nut (16), the compression nut having an inner thread (17) and an inner protrusion (19), the inner thread being configured to thread on the threaded portion of the coupling body, the inner protrusion having a leading surface that is configured to compress against and apply a radially inward force to the proximal end portion of each of the plurality of spaced-apart teeth when the inner thread is threadably tightened on the threaded portion of the coupling body, thereby compressing the plurality of spaced-apart teeth around an outer surface of the at least one conduit when the at least one conduit is received in the coupling body. In regards to claim 5, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the coupling body has a second end portion located opposite the first end portion, wherein the coupling body is configured to be inserted into an electrical panel. In regards to claim 6, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the coupling body and the compression nut extend along a longitudinal axis. In regards to claim 7, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the plurality of spaced-apart teeth extend axially away from the threaded portion and the central portion. In regards to claim 8, in Figures 2-6 and paragraphs detailing said figures, Kitagawa discloses an outer surface of the compression nut includes a plurality of flats formed therein. In regards to claim 9, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the plurality of flats are formed within the central portion of the outer surface of the compression nut. In regards to claim 13, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the compression nut further includes an inwardly sloped flange and a trailing surface. In regards to claim 14, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the trailing surface (18) is located between the inwardly sloped flange and the protrusion. In regards to claim 15, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the inwardly sloped flange forms a boundary for an opening. In regards to claim 17, in Figures 3-6 and paragraphs detailing said figures, Kitagawa discloses the leading surface is free from engagement with the distal end portion of each of the plurality of spaced-apart teeth when the inner thread is threadably tightened on the threaded portion of the coupling body. Claim(s) 1-4 and 6-12 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by US 20140252760, Paul. Note, the conduit is not considered part of the claimed invention. In regards to claim 1, in Figures 2-5 and paragraphs detailing said figures, Paul discloses a compression coupling assembly for joining to a conduit, the compression coupling assembly comprising: a coupling body (12) having a first end portion and a central portion (20), wherein the coupling body is configured to receive the conduit through the first end portion, the first end portion having a threaded portion (38a) on an outer surface of the coupling body, and a plurality of spaced-apart teeth (22a) extending axially away from the first end portion and the central portion, wherein each of the teeth has a distal end portion (32a) located furthest away from the central portion of the coupling body, and a proximal end portion located between the distal end portion and the central portion of the coupling body; and a compression nut (16a), the compression nut having an inner thread (77a) and an inner protrusion (79a), the inner thread being configured to thread on the threaded portion of the coupling body, the inner protrusion having a leading surface that is configured to compress against and apply a radially inward force to the proximal end portion of each of the plurality of spaced-apart teeth when the inner thread is threadably tightened on the threaded portion of the coupling body, thereby compressing the plurality of spaced-apart teeth around an outer surface of the at least one conduit when the at least one conduit is received in the coupling body. In regards to claim 2, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the coupling body has a second end portion located opposite the first end portion, wherein the coupling body is configured to receive a second conduit through the second end portion. In regards to claim 3, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the second end portion includes a second threaded portion on the outer surface of the coupling body, the coupling body further including a plurality of spaced-apart second teeth (22b) extending away from the second threaded portion (38b) and the central portion of the coupling body, wherein each of the second teeth has a distal end portion (32b) located furthest away from the central portion of the coupling body, and a proximal end portion located between the distal end portion and the central portion of the coupling body. In regards to claim 4, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the assembly further includes a second compression nut (16b), the second compression nut having a second inner thread (77b) and a second inner protrusion (79b), the second inner thread being configured to thread on the second threaded portion of the coupling body, the second inner protrusion having a leading surface that is configured to engage with and apply a radially inward force to the proximal end portion of each of the plurality of spaced-apart second teeth when the second inner thread is threadably tightened on the second threaded portion of the coupling body, thereby compressing the plurality of spaced-apart second teeth around being configured to compress an outer surface of a second conduit when the second conduit is received in the coupling body. In regards to claim 6, in Figures 2-5 and paragraphs detailing said figures, Paul discloses discloses the coupling body and the compression nut extend along a longitudinal axis. In regards to claim 7, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the plurality of spaced-apart teeth extend axially away from the threaded portion and the central portion. In regards to claim 8, in Figures 2-5 and paragraphs detailing said figures, Paul discloses an outer surface of the compression nut includes a plurality of flats formed therein. In regards to claim 9, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the plurality of flats are formed within the central portion of the outer surface of the compression nut. In regards to claim 10, in Figures 2-5 and paragraphs detailing said figures, Paul discloses at least one stop (14) is formed on an inner surface of the central portion of the coupling body. In regards to claim 11, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the at least one stop protrudes radially inward. In regards to claim 12, in Figures 2-5 and paragraphs detailing said figures, Paul discloses the at least one stop is configured to engage with the at least one conduit. Response to Arguments Applicant’s arguments with respect to claim(s) above have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to AARON M DUNWOODY whose telephone number is (571)272-7080. The examiner can normally be reached Monday - Friday 9:00 am - 6:00 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, Matthew Troutman can be reached at 571-270-3654. 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. /AARON M DUNWOODY/ Primary Examiner, Art Unit 3679
Read full office action

Prosecution Timeline

Jan 26, 2024
Application Filed
Feb 06, 2025
Non-Final Rejection mailed — §102
May 12, 2025
Response Filed
Jun 26, 2025
Final Rejection mailed — §102
Dec 30, 2025
Response after Non-Final Action
Apr 20, 2026
Request for Continued Examination
Jun 08, 2026
Response after Non-Final Action
Jun 12, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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2y 0m to grant Granted Jul 07, 2026
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1y 5m to grant Granted Jul 07, 2026
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2y 7m to grant Granted Jun 30, 2026
Patent 12669203
COUPLING DEVICE FOR A TUBE
1y 9m to grant Granted Jun 30, 2026
Patent 12663104
CHAMFER RING FOR PIPE COUPLING
1y 2m to grant Granted Jun 23, 2026
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
75%
Grant Probability
86%
With Interview (+11.5%)
2y 9m (~3m remaining)
Median Time to Grant
High
PTA Risk
Based on 1627 resolved cases by this examiner. Grant probability derived from career allowance rate.

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