BASIC-CHECK
Live / Registered — Registered and renewed (as of 04 Sept 2016)
What this means for you
Registered since 26 Aug 1986. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 26 Aug 2016).
Record
- Serial number
- 73578977
- Registration number
- 1406602
- Mark type
- Word mark
- Filed
- 22 Jan 1986
- Published for opposition
- 03 Jun 1986
- Registered
- 26 Aug 1986
- Next maintenance due
- 26 Aug 2016
- Attorney of record
- Randy M. Friedberg
Goods and services
- Class 009 — Scientific and electric apparatus: PRESSURE-CONTROLLED CHECK VALVES
Owner
- DFT INC., EXTON, PA, US
- DURABLA MANUFACTURING COMPANY, LIONVILLE, PA, US
- DURABLA MANUFACTURING COMPANY, LIONVILLE, PA, US
- DURABLA MANUFACTURING COMPANY, LIONVILLE, PA, US
Prosecution history
- 23 Mar 2026 — TEAS SECTION 8 & 9 RECEIVED
- 18 Mar 2026 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 18 Mar 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 18 Mar 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 18 Mar 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 18 Mar 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 18 Mar 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 26 Aug 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 21 Jun 2019 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 21 Jun 2019 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 17 Apr 2019 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 17 Apr 2019 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 15 Apr 2019 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 04 Jan 2017 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 04 Sept 2016 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED