DUO-CHEK
Live / Registered — Registered and renewed (as of 19 Feb 2026)
What this means for you
Registered since 07 Dec 1965. 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 07 Dec 2025).
Record
- Serial number
- 72212558
- Registration number
- 0799726
- Mark type
- Word mark
- Filed
- 23 Feb 1965
- Published for opposition
- 21 Sept 1965
- Registered
- 07 Dec 1965
- Next maintenance due
- 07 Dec 2025
- Attorney of record
- Matthew S. Anderson
Goods and services
- Class 013 — Firearms: VALVES AND PARTS THEREOF
- Class 021 — Housewares and glass
Owner
- CRANE CHEMPHARMA & ENERGY CORP., THE WOODLANDS, TX, US
- MCC HOLDINGS, INC., The Woodlands, TX, US
- TRW INC., CLEVELAND, OH, US
- MISSION VALVE AND PUMP COMPANY, HOUSTON, TX, US
Prosecution history
- 19 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 19 Feb 2026 — REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
- 19 Feb 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 19 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 19 Nov 2025 — TEAS SECTION 8 & 9 RECEIVED
- 03 Dec 2024 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 03 Dec 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 03 Dec 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 03 Dec 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 07 Dec 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 09 Mar 2022 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 21 Apr 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 21 Apr 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 21 Apr 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 21 Apr 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED