P-TRAK
Live / Registered — Registered and renewed (as of 09 Feb 2022)
What this means for you
Registered since 20 Feb 2001. 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 20 Feb 2021).
Record
- Serial number
- 75801257
- Registration number
- 2429508
- Mark type
- Word mark
- Filed
- 17 Sept 1999
- Published for opposition
- 28 Nov 2000
- Registered
- 20 Feb 2001
- Next maintenance due
- 20 Feb 2021
- Attorney of record
- Michael T. Olsen
Goods and services
- Class 009 — Scientific and electric apparatus: ultrafine particle counters for indoor use to detect and count ultra fine particles and to detect air pollutants and monitor air quality
Owner
- TSI INCORPORATED, Shoreview, MN, US
- TSI INCORPORATED, St. Paul, MN, US
- TSI INCORPORATED, St. Paul, MN, US
Prosecution history
- 02 Jan 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 02 Jan 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 02 Jan 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 02 Jan 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 02 Jan 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 28 Feb 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 28 Feb 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 28 Feb 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 28 Feb 2024 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 28 Feb 2024 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 16 Feb 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 16 Feb 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 16 Feb 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 16 Feb 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 16 Feb 2022 — TEAS CHANGE OF OWNER ADDRESS RECEIVED