LF

What this means for you

Registered since 26 Mar 2019. The owner can stop confusingly similar uses in the classes it covers.

Record

Serial number

86485569

Registration number

5709934

Mark type

Word mark

Filed

18 Dec 2014

Published for opposition

29 Dec 2015

Registered

26 Mar 2019

Attorney of record

Karen Feisthamel

Goods and services

• Class 009 — Scientific and electric apparatus: Fuses; electrical fuses; fuses for automobiles; fuse clips; mounting devices for fuses; semiconductors; rectifiers; circuit overload protector devices; automotive fuses; fuse blocks; fuse holders; surge protectors; diodes; diode arrays; LED circuit protection devices; varistors; polymer resettable fuses; polymer positive temperature coefficient devices, namely, fuses; gas discharge tubes; metal oxide varistors; multi-layer varistors; polymeric electrostatic discharge (ESD) suppressors; surge protection modules

Owner

• Littelfuse, Inc., Chicago, IL, US
• Littelfuse, Inc., Chicago, IL, US
• Littelfuse, Inc., Chicago, IL, US

Prior registrations

• Registration 443861

Prosecution history

• 11 Aug 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
• 11 Aug 2025 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
• 25 Jul 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
• 25 Mar 2025 — TEAS SECTION 8 & 15 RECEIVED
• 26 Mar 2024 — COURTESY REMINDER - SEC. 8 (6-YR) 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
• 26 Mar 2019 — REGISTERED-PRINCIPAL REGISTER
• 22 Feb 2019 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
• 19 Feb 2019 — TEAS CHANGE OF CORRESPONDENCE RECEIVED