LITTELFUSE
Live / Registered — Registered and renewed (as of 21 Mar 2026)
What this means for you
Registered since 13 Jan 1976. 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 13 Jan 2026).
Record
- Serial number
- 72461728
- Registration number
- 1030346
- Mark type
- Word mark
- Filed
- 29 Jun 1973
- Registered
- 13 Jan 1976
- Next maintenance due
- 13 Jan 2026
- Attorney of record
- Karen Feisthamel
Goods and services
- Class 009 — Scientific and electric apparatus
- Class 021 — Housewares and glass: ELECTRICAL FUSES, ELECTRICAL FUSE MOUNTINGS, FUSE CLIPS, ELECTRICAL CIRCUIT BREAKERS, PILOT LIGHT UNITS ADAPTED FOR PANEL MOUNTING ELECTROMAGNETIC RELAYS, THERMAL RELAYS, ELECTRICAL SWITCHES, AUTOMOTIVE BUZZERS, AUTOMOTIVE FLASHERS
Owner
- LITTELFUSE, INC., Rosemont, IL, US
- LITTELFUSE, INC., DES PLAINES, IL, US
Prosecution history
- 21 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 21 Mar 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 21 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 21 Mar 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 07 Jan 2026 — TEAS SECTION 8 & 9 RECEIVED
- 13 Jan 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 22 Nov 2021 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 22 Nov 2021 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 22 Nov 2021 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 22 Nov 2021 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 22 Nov 2021 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 22 Nov 2021 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 17 Apr 2019 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 08 Feb 2017 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 04 Aug 2015 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED