WELDFAST Trademark

Trademark Overview

On Thursday, September 18, 1952, a trademark application was filed for WELDFAST with the United States Patent and Trademark Office. The USPTO has given the WELDFAST trademark a serial number of 71635431. The federal status of this trademark filing is REGISTERED AND RENEWED as of Wednesday, December 24, 2025. This trademark is owned by PERRAULT BROTHERS. The WELDFAST trademark is filed in the Chemical Products category with the following description:

ADHESIVE OR PLASTIC CEMENT USED IN FASTENING PIPE FITTINGS TO PLASTIC PIPE, FOR JOINING PLASTIC PIPES, AND FOR JOINING PLASTIC PRODUCTS
weldfast

General Information

Serial Number71635431
Word MarkWELDFAST
Filing DateThursday, September 18, 1952
Status800 - REGISTERED AND RENEWED
Status DateWednesday, December 24, 2025
Registration Number0604686
Registration DateTuesday, April 19, 1955
Mark Drawing5 - Drawing with word(s) / letter(s) / number(s) in Stylized form
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Goods and ServicesADHESIVE OR PLASTIC CEMENT USED IN FASTENING PIPE FITTINGS TO PLASTIC PIPE, FOR JOINING PLASTIC PIPES, AND FOR JOINING PLASTIC PRODUCTS

Classification Information

International Class001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
US Class Codes005
Class Status Code6 - Active
Class Status DateTuesday, March 1, 1983
Primary Code005
First Use Anywhere DateThursday, May 1, 1952
First Use In Commerce DateThursday, May 1, 1952

Trademark Owner History

Party NameGRANT PRIDECO, INC.
Party Type48 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressHOUSTON, TX 77042
Party NameVARCO I/P, INC.
Party Type47 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressHOUSTON, TX 77036
Party NameFIBERCAST COMPANY
Party Type46 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressSAND SPRINGS, OK 74063
Party NamePERRAULT BROTHERS
Party Type30 - Original Registrant
Legal Entity Type99 - Other
AddressTULSA, OK

Trademark Events

Event DateEvent Description
Saturday, April 19, 1975REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
Tuesday, January 24, 1995REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
Tuesday, April 11, 1995REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Friday, May 28, 2004TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, October 18, 2005PAPER RECEIVED
Tuesday, October 18, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Tuesday, October 18, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Friday, December 2, 2005ASSIGNED TO PARALEGAL
Friday, December 2, 2005REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, December 2, 2005REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Thursday, January 29, 2009CASE FILE IN TICRS
Thursday, April 30, 2009TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, April 30, 2009ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, August 4, 2011TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, August 4, 2011ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Monday, November 17, 2014TEAS SECTION 8 & 9 RECEIVED
Monday, December 8, 2014CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Monday, December 8, 2014REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Monday, December 8, 2014REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
Monday, December 8, 2014NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Thursday, March 28, 2019TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, March 28, 2019ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, November 25, 2022AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Wednesday, July 5, 2023TEAS CHANGE OF OWNER ADDRESS RECEIVED
Wednesday, July 5, 2023APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Wednesday, July 5, 2023TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Wednesday, July 5, 2023ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Wednesday, July 5, 2023TEAS CHANGE OF CORRESPONDENCE RECEIVED
Friday, April 19, 2024COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Wednesday, September 17, 2025TEAS SECTION 8 & 9 RECEIVED
Wednesday, December 24, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Wednesday, December 24, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Wednesday, December 24, 2025REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
Wednesday, December 24, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Related Keywords

weldfast plastic pipe joining products fittings pipes fastening cement used adhesive