DUAL CORE PLUS
Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 16 Sept 2026)
What this means for you
Registered since 23 Feb 2021. 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 23 Feb 2031: the §8 & §9 renewal).
Record
- Serial number
- 88486705
- Registration number
- 6278585
- Mark type
- Word mark
- Filed
- 24 Jun 2019
- Published for opposition
- 05 Nov 2019
- Registered
- 23 Feb 2021
- Next maintenance filing
- §8 & §9 renewal, due by 23 Feb 2031 (grace period to 23 Aug 2031)
- Attorney of record
- John L Ambrogi
Goods and services
- Class 011 — Environmental control apparatus: Heat recovery ventilation unit for use in HVAC applications
Owner
- TEMPEFF INC., WINNIPEG, MB., CA
- TEMPEFF INC., WINNIPEG, MB., CA
- Tempeff North America Ltd., Winnipeg, Manitoba, CA
- Tempeff North America Ltd., Winnipeg, Manitoba, CA
Prior registrations
Prosecution history
- 16 Sept 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 16 Sept 2026 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 16 Sept 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 25 Jun 2026 — TEAS SECTION 8 & 15 RECEIVED
- 23 Feb 2026 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 23 Feb 2021 — REGISTERED-PRINCIPAL REGISTER
- 22 Jan 2021 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
- 21 Jan 2021 — ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
- 06 Jan 2021 — STATEMENT OF USE PROCESSING COMPLETE
- 16 Dec 2020 — USE AMENDMENT FILED
- 06 Jan 2021 — CASE ASSIGNED TO INTENT TO USE PARALEGAL
- 16 Dec 2020 — TEAS STATEMENT OF USE RECEIVED
- 15 Dec 2020 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 11 Dec 2020 — SOU EXTENSION 2 GRANTED
- 11 Dec 2020 — SOU EXTENSION 2 FILED