USPTO serial 73578454
PDC
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Sep 9, 1986
- Examiner
- —
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
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Owner
EXTON, PA, US
LIONVILLE, PA, US
LIONVILLE, PA, US
LIONVILLE, PA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Randy M. Friedberg
Randy M. Friedberg Stradley Ronon Stevens & Young, LLP100 Park Avenue, Suite 2000New York, NY 10017United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | PRESSURE-CONTROLLED CHECK VALVES | ACTIVE | Dec 9, 1983 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by DFT INC.
- Other trademarks owned by DURABLA MANUFACTURING COMPANY
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 29, 2026 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Oct 29, 2026 | RNL3 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Oct 29, 2026 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Oct 29, 2026 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Aug 13, 2026 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Aug 11, 2026 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Aug 11, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 11, 2026 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Aug 11, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 9, 2025 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Jun 21, 2019 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jun 21, 2019 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Apr 17, 2019 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Apr 17, 2019 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Apr 15, 2019 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jan 4, 2017 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Nov 22, 2016 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Nov 22, 2016 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Nov 22, 2016 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Nov 21, 2016 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Sep 9, 2016 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Sep 17, 2015 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 15, 2015 | CORV | REVIEW OF CORRESPONDENCE COMPLETE - INFORMATION MADE OF RECORD | — |
| Sep 15, 2015 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Nov 8, 2006 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Nov 8, 2006 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Nov 8, 2006 | PLGL | ASSIGNED TO PARALEGAL | — |
| Sep 28, 2006 | CFIT | CASE FILE IN TICRS | — |
| Sep 7, 2006 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Sep 7, 2006 | PAPER RECEIVED | — | |
| Oct 16, 1992 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Jul 20, 1992 | 815F | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | — |
| Sep 9, 1986 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Jun 17, 1986 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| May 18, 1986 | NPUB | NOTICE OF PUBLICATION | — |
| Apr 7, 1986 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Apr 4, 1986 | CNEA | EXAMINER'S AMENDMENT MAILED | — |
| Apr 1, 1986 | DOCK | ASSIGNED TO EXAMINER | — |