ORIGINATORS. INNOVATORS. NEVER THE IMITATORS.
Live / Registered — Registered and renewed (as of 15 Mar 2026)
What this means for you
Registered since 08 Dec 2015. 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 08 Dec 2025).
Record
- Serial number
- 85820458
- Registration number
- 4867403
- Mark type
- Design + words
- Filed
- 10 Jan 2013
- Published for opposition
- 11 Jun 2013
- Registered
- 08 Dec 2015
- Next maintenance due
- 08 Dec 2025
- Attorney of record
- Tanya L. Curtis
Goods and services
- Class 011 — Environmental control apparatus: ENERGY RECOVERY VENTILATORS; HEAT EXCHANGE EQUIPMENT, NAMELY, NANOMATERIAL AND POLYMER MEMBRANES; AIR CONDITIONING APPARATUS AND INSTALLATIONS; HEATING INSTALLATIONS AND HEAT PUMPS; AIR CONDITIONING MODULAR REFRIGERATION UNITS; AIR CONDITIONING SYSTEMS CONSISTING PRIMARILY OF CHILLERS, EVAPORATORS, HEAT EXCHANGERS, MOTOR AND COMPRESSOR UNITS, CONTROL SYSTEMS FOR AIR CONDITIONING UNITS, AND AUTOMATIC TEMPERATURE REGULATORS FOR AIR CONDITIONING SYSTEMS
Owner
- Multistack, LLC, Sparta, WI, US
- Multistack, LLC, Sparta, WI, US
- Multistack, LLC, Sparta, WI, US
Prior registrations
Prosecution history
- 15 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 15 Mar 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 15 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 15 Mar 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 22 Dec 2025 — TEAS SECTION 8 & 9 RECEIVED
- 08 Dec 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 18 Jan 2022 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 18 Jan 2022 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 18 Jan 2022 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 07 Oct 2021 — TEAS SECTION 8 & 15 RECEIVED
- 08 Dec 2020 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 10 Feb 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 10 Feb 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 08 Dec 2015 — REGISTERED-PRINCIPAL REGISTER
- 05 Nov 2015 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED