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Official data from USPTO

MESABI

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: US

Quick snapshot

MESABI

ST13

US500000072177656

Class

6, 23

Filing

72177656

Registration

792168

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

25

Latest update

12/09/2025

Classification

Registered

Trademark type

Word

Nice classes

6, 23

Filing date

09/24/1963

Registration date

07/06/1965

Expiration date

-

Recommended action

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Next step

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Complete case details

Structured fields from the responsible authority and the official record.

Status date

11/17/2025

Last transaction

12/09/2025

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

08/02/1963

First use in commerce

08/02/1963

Drawing code

1

Owner type

03

Owner location

HIBBING, MN

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

L & M RADIATOR, INC.
L & M RADIATOR SERVICE, INC.

Representatives

Christopher Carroll The Small Patent Law Group

Technical classification

Nice Classes

Class 6Class 23

Vienna Codes

No Vienna codes available.

Goods and services

Class 6

No specification.

Class 23

RADIATOR CORES USED ON VEHICLES AND ON STATIONARY POWER UNITS AND COMPRESSORS TO EFECT HEAT EXCHANGE IN AIR TO WATER, AIR TO AIR, AIR TO STEAM AND AIR TO OIL APPLICATIONS AND THE COMPONENT PARTS OF SAID RADIATOR CORES-NAMELY, THE [HEATER SHEETS] * HEADER SHEETS *, FERRULES, AND TUBING THEREOF

Publications

History of USPTO decisions and trademark events.

25 publications found

NA89

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

11/17/2025

RNL4

REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)

11/17/2025

89AG

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

11/17/2025

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

11/17/2025

E89R

TEAS SECTION 8 & 9 RECEIVED

08/05/2025

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

08/26/2024

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

08/26/2024

REAP

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

08/26/2024

REM2

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

07/06/2024

COC.

CORRECTION UNDER SECTION 7 - PROCESSED

08/01/2016

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

07/26/2016

NA89

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

07/23/2015

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

07/23/2015

89AG

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

07/23/2015

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

07/23/2015

E89R

TEAS SECTION 8 & 9 RECEIVED

06/30/2015

ES7R

TEAS SECTION 7 REQUEST RECEIVED

06/29/2015

CFIT

CASE FILE IN TICRS

02/04/2009

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

09/13/2005

89AG

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

09/13/2005

PLGL

ASSIGNED TO PARALEGAL

09/13/2005

89AF

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

07/07/2005

MAIL

PAPER RECEIVED

07/07/2005

REN1

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

07/06/1985

9.AF

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

06/26/1985

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