Who owns the C-FLEX trademark?

The C-FLEX trademark is owned by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION.

What class is the C-FLEX trademark registered in?

The C-FLEX trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for C-FLEX?

The USPTO serial number for C-FLEX is 73352561.

What is the registration number for C-FLEX?

C-FLEX is registered under USPTO registration number 1250765.

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USPTO Trademark Record

REGISTERED

C-FLEX

SN 73352561·Reg 1250765·Filed Mar 01, 1982

Owner SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

C-FLEX (Serial No. 73352561), Registration No. 1250765, is a registered US trademark filed on Mar 01, 1982 by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Section 8/9 declaration window: September 13, 2033

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Full conflict analysis for C-FLEX (SN 73352561) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C-FLEX (Reg. #1250765) is a registered US trademark that has been protecting its owner, SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, since 1982. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 3 opposition proceedings during prosecution.

FILED

Mar 01, 1982

SERIAL

73352561

REG#

1250765

REGISTERED

Sep 13, 1983

Filing Information

StatusREGISTERED

Filing DateMar 01, 1982

Serial Number73352561

Registration No.1250765

Registration DateSep 13, 1983

Status DateFeb 21, 2024

Published for OppositionJun 21, 1983

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 035

First use anywhere: Feb 09, 1982

First use in commerce: Feb 09, 1982

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

54 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 09, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 09, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Oct 09, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 09, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 09, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 09, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 21, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Feb 21, 2024

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Feb 21, 2024

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Feb 21, 2024

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Aug 28, 2023

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 24, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Mar 24, 2023

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 24, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 24, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 24, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 24, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Mar 24, 2023

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 24, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 24, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 24, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Sep 13, 2022

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 08, 2016

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 08, 2016

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 25, 2016

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 25, 2016

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 06, 2013

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Sep 06, 2013

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Sep 06, 2013

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Sep 06, 2013

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Aug 27, 2013

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Aug 27, 2013

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 21, 2009

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Apr 30, 2008

CASE FILE IN TICRS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 11, 2005

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 05, 2005

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 08, 2003

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 08, 2003

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

PAPER RECEIVED

Nov 06, 2002

PAPER RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Nov 06, 2002

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Nov 15, 1988

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Oct 03, 1988

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Sep 13, 1983

REGISTERED-PRINCIPAL REGISTER

Sep 13, 1983

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 21, 1983

PUBLISHED FOR OPPOSITION

Jun 21, 1983

PUBLISHED FOR OPPOSITION

Jun 21, 1983

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

May 31, 1983

NOTICE OF PUBLICATION

May 31, 1983

NOTICE OF PUBLICATION

May 27, 1983

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 25, 1983

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 17, 1983

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Feb 08, 1983

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Dec 08, 1982

ASSIGNED TO EXAMINER

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