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Official data from USPTO

MK

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

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

MK

ST13

US500000072465229

Class

12, 19

Filing

72465229

Registration

1021284

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

39

Latest update

03/26/2026

Trademark type

Word

Nice classes

12, 19

Filing date

08/09/1973

Registration date

09/23/1975

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

03/26/2026

Last transaction

03/26/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

05/02/1961

First use in commerce

06/06/1961

Drawing code

1

Owner type

03

Owner location

Malvern, PA, US

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

W. R. GRACE & CO.-CONN.
W. R. GRACE & CO.

Representatives

Sara T. Colburn Cantor Colburn LLP

Technical classification

Nice Classes

Class 12Class 19

Vienna Codes

No Vienna codes available.

Goods and services

Class 12

FIREPROOFING MATERIAL SOLD IN BULK DRY FORM FOR USE ON WALLS AND CEILING

Class 19

No specification.

Publications

History of USPTO decisions and trademark events.

39 publications found

NA89

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

03/26/2026

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

03/26/2026

89AG

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

03/26/2026

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

03/26/2026

E89R

TEAS SECTION 8 & 9 RECEIVED

01/13/2026

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

REM2

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

09/23/2024

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

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

06/21/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

06/07/2016

NA89

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

05/13/2016

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

05/13/2016

89AG

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

05/13/2016

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

03/28/2016

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

03/23/2016

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

02/10/2016

E89R

TEAS SECTION 8 & 9 RECEIVED

01/20/2016

CFIT

CASE FILE IN TICRS

03/20/2008

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

11/29/2005

89AG

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

11/29/2005

PLGL

ASSIGNED TO PARALEGAL

11/17/2005

89AF

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

08/02/2005

815F

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

08/02/2005

E89R

TEAS SECTION 8 & 9 RECEIVED

08/02/2005

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

07/28/2005

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

07/11/2005

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

08/17/1995

9.AF

REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

07/17/1995

A7OK

AMENDMENT UNDER SECTION 7 - PROCESSED

11/29/1991

AMD7

SEC 7 REQUEST FILED

06/12/1991

C15A

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

01/06/1981

Continuous trademark protection

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