STT Trademark

Trademark Overview

On Friday, October 22, 1993, a trademark application was filed for STT with the United States Patent and Trademark Office. The USPTO has given the STT trademark a serial number of 74449493. The federal status of this trademark filing is REGISTERED AND RENEWED as of Wednesday, August 27, 2025. This trademark is owned by Lincoln Electric Company, The. The STT trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:

arc welding equipment; namely, transformer rectifier, converter and inverter power supplies for arc welding; and controls for welding power supplies
stt

General Information

Serial Number74449493
Word MarkSTT
Filing DateFriday, October 22, 1993
Status800 - REGISTERED AND RENEWED
Status DateWednesday, August 27, 2025
Registration Number1898050
Registration DateTuesday, June 6, 1995
Mark Drawing1 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, August 16, 1994

Trademark Statements

Goods and Servicesarc welding equipment; namely, transformer rectifier, converter and inverter power supplies for arc welding; and controls for welding power supplies

Classification Information

International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes021, 034
Class Status Code6 - Active
Class Status DateTuesday, November 30, 1993
Primary Code009
First Use Anywhere DateTuesday, March 24, 1992
First Use In Commerce DateSunday, January 17, 1993

Trademark Owner History

Party NameLINCOLN GLOBAL, INC.
Party Type40 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressSanta Fe Springs, CA 90670
Party NameLincoln Electric Company, The
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressCleveland, OH 44117
Party NameLincoln Electric Company, The
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressCleveland, OH 44117
Party NameLincoln Electric Company, The
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressCleveland, OH 44117

Trademark Events

Event DateEvent Description
Tuesday, August 16, 1994PUBLISHED FOR OPPOSITION
Wednesday, November 23, 1994USE AMENDMENT FILED
Tuesday, January 10, 1995STATEMENT OF USE PROCESSING COMPLETE
Tuesday, January 17, 1995ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Tuesday, March 1, 1994ASSIGNED TO EXAMINER
Monday, March 7, 1994EXAMINER'S AMENDMENT MAILED
Monday, March 14, 1994APPROVED FOR PUB - PRINCIPAL REGISTER
Friday, July 15, 1994NOTICE OF PUBLICATION
Tuesday, November 8, 1994NOA MAILED - SOU REQUIRED FROM APPLICANT
Tuesday, June 5, 2001REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Thursday, June 2, 2005TEAS SECTION 8 & 9 RECEIVED
Tuesday, August 2, 2005ASSIGNED TO PARALEGAL
Thursday, July 5, 2007CASE FILE IN TICRS
Friday, June 5, 2009TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, June 6, 1995REGISTERED-PRINCIPAL REGISTER
Saturday, July 28, 2001REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Thursday, June 2, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Tuesday, August 2, 2005REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Tuesday, August 2, 2005REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Friday, June 5, 2009ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, March 12, 2015TEAS SECTION 8 & 9 RECEIVED
Friday, March 27, 2015CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Thursday, June 6, 2024COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Tuesday, April 22, 2025TEAS SECTION 8 & 9 RECEIVED
Friday, March 27, 2015REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, March 27, 2015REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Friday, March 27, 2015NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Tuesday, March 14, 2017TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, March 14, 2017APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Wednesday, August 27, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Wednesday, August 27, 2025REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Wednesday, August 27, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Wednesday, August 27, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Related Keywords

welding power supplies controls inverter rectifier equipment namely transformer converter