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Official data from USPTO

MK-6

Did you know this trademark is already registered in United States?

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: WordOffice: United States

Quick snapshot

MK-6

ST13

US500000074070133

Class

19

Filing

74070133

Registration

1690184

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

43

Latest update

10/15/2025

Trademark type

Word

Nice classes

19

Filing date

06/18/1990

Registration date

06/02/1992

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

03/31/2022

Last transaction

10/15/2025

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

1986-11-00

First use in commerce

1986-11-00

Drawing code

1

Owner type

03

Owner location

Malvern, PA

Examiner

RICARDO, RANDY

Law office

G10

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

GCP APPLIED TECHNOLOGIES INC.
W. R. Grace & Co.-Conn.
W. R. Grace & Co.-Conn.

Representatives

Sara T. Colburn Cantor Colburn LLP

Technical classification

Nice Classes

Class 19

Vienna Codes

No Vienna codes available.

Goods and services

Class 19

cementitious fireproofing mix for application to steel floors and beamsconcrete surfaces and other construction materials requiring fire protection

Publications

History of USPTO decisions and trademark events.

43 publications found

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

10/09/2025

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

10/09/2025

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

10/09/2025

REAP

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

10/09/2025

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

10/09/2025

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

10/09/2025

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

06/21/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

06/21/2023

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

06/21/2023

REAP

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

06/21/2023

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

06/21/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

09/08/2022

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

09/08/2022

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

09/08/2022

REAP

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

09/08/2022

NA89

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

03/31/2022

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

03/31/2022

89AG

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

03/31/2022

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

03/29/2022

E89R

TEAS SECTION 8 & 9 RECEIVED

11/30/2021

REM2

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

06/02/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

06/07/2016

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

03/23/2016

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

02/10/2016

NA89

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

04/25/2012

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

04/25/2012

89AG

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

04/25/2012

E89R

TEAS SECTION 8 & 9 RECEIVED

04/24/2012

CFIT

CASE FILE IN TICRS

01/15/2008

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

07/21/2006

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

07/21/2006

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

05/16/2002

89AG

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

05/16/2002

89AF

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

03/20/2002

C15A

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

08/06/1998

815F

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

05/15/1998

R.PR

REGISTERED-PRINCIPAL REGISTER

06/02/1992

PUBO

PUBLISHED FOR OPPOSITION

08/13/1991

NPUB

NOTICE OF PUBLICATION

07/12/1991

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

05/03/1991

CNEA

EXAMINER'S AMENDMENT MAILED

05/01/1991

CNRT

NON-FINAL ACTION MAILED

11/07/1990

DOCK

ASSIGNED TO EXAMINER

10/22/1990

Continuous trademark protection

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