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Official data from USPTO

MKK

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: CombinedOffice: US

Quick snapshot

MKK

ST13

US500000073053595

Class

6

Filing

73053595

Registration

1055410

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Attention: there is active risk

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

28

Latest update

01/05/2026

Classification

Registered

Trademark type

Combined

Nice classes

6

Filing date

05/29/1975

Registration date

01/04/1977

Expiration date

-

Recommended action

Perform a full collision analysis and validate classes before any filing or trademark investment.

Next step

These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.

Complete case details

Structured fields from the responsible authority and the official record.

Status date

02/23/2017

Last transaction

01/05/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

12/08/1947

First use in commerce

11/01/1950

Drawing code

3

Owner type

03

Owner location

Chuo-ku, Osaka-shi, JP

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

MARUICHI STEEL TUBE LTD.
MARUICHI STEEL TUBE WORKS, LTD.

Representatives

Michael T. Smith BIRCH STEWART KOLASCH & BIRCH LLP

Technical classification

Nice Classes

Class 6

Vienna Codes

No Vienna codes available.

Goods and services

Class 6

METAL STRUCTURAL AND MECHANICAL TUBINGMETAL PIPESMETAL FLAG POLES AND METAL POLES FOR SUPPORTING HIGHWAY AND STREET LIGHTING AND TRAFFIC SIGNS AND SIGNALS

Publications

History of USPTO decisions and trademark events.

28 publications found

REM2

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

01/04/2026

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

11/07/2022

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

11/07/2022

EWOR

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

11/07/2022

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

11/07/2022

REAP

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

11/07/2022

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

11/07/2022

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

01/07/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

01/07/2021

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

01/07/2021

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

01/07/2021

REAP

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

01/07/2021

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

01/07/2021

NA89

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

02/23/2017

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

02/23/2017

89AG

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

02/23/2017

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

02/23/2017

E89R

TEAS SECTION 8 & 9 RECEIVED

12/23/2016

MDSC

NOTICE OF DESIGN SEARCH CODE MAILED

11/22/2008

CFIT

CASE FILE IN TICRS

10/10/2007

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

03/05/2007

89AG

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

03/05/2007

PLGL

ASSIGNED TO PARALEGAL

02/27/2007

89AF

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

01/04/2007

E89R

TEAS SECTION 8 & 9 RECEIVED

01/04/2007

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

02/05/1997

9.AF

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

11/13/1996

C15A

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

02/07/1984

Continuous trademark protection

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