SLOPE BLOCK MARK IV
Live / Registered — Registered and renewed (as of 17 Feb 2026)
What this means for you
Registered since 30 Jun 1992. 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 30 Jun 2022).
Record
- Serial number
- 74044985
- Registration number
- 1697640
- Mark type
- Slogan / phrase
- Filed
- 02 Apr 1990
- Published for opposition
- 07 Apr 1992
- Registered
- 30 Jun 1992
- Next maintenance due
- 30 Jun 2022
- Attorney of record
- Bradley M. Stohry
Goods and services
- Class 019 — Non-metallic building materials: blocks for retaining walls
Owner
- HENGESTONE HOLDINGS, INC., TORONTO, ONTARIO, DE, US
- HENGESTONE HOLDINGS, INC., Mississauga, Ontario, DE, US
- UNILOCK, LTD., Georgetown, Ontario L7G 4X6, CA
- UNILOCK, LTD., Georgetown, Ontario L7G 4X6, CA
Prosecution history
- 17 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 17 Feb 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 17 Feb 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 17 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 11 Aug 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 11 Aug 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 11 Aug 2022 — TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
- 11 Aug 2022 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 11 Aug 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 11 Aug 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 11 Aug 2022 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 30 Jun 2022 — TEAS SECTION 8 & 9 RECEIVED
- 30 Jun 2021 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 16 Dec 2013 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 24 Jul 2012 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED