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Official data from USPTO

MATHLINK

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

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

MATHLINK

ST13

US500000074153933

Class

28

Filing

74153933

Registration

1705913

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

31

Latest update

07/30/2025

Trademark type

Word

Nice classes

28

Filing date

04/04/1991

Registration date

08/04/1992

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

02/02/2023

Last transaction

07/30/2025

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

Filing basis

Intent to use

First use anywhere

03/20/1991

First use in commerce

03/20/1991

Drawing code

1

Owner type

03

Owner location

Vernon Hills, IL

Examiner

BUSH, KAREN

Law office

G10

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

Learning Resources, Inc.
Learning Resources, Inc.

Representatives

Susan H. Frohling MICHAEL BEST & FRIEDRICH LLP

Technical classification

Nice Classes

Class 28

Vienna Codes

No Vienna codes available.

Goods and services

Class 28

interlocking toy blocks for educational use and associated activity bookssold as a unit

Publications

History of USPTO decisions and trademark events.

31 publications found

NA89

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

02/02/2023

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

02/02/2023

89AG

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

02/02/2023

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

02/02/2023

E89R

TEAS SECTION 8 & 9 RECEIVED

07/19/2022

REM2

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

08/04/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

04/03/2017

NA89

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

07/28/2012

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

07/28/2012

89AG

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

07/28/2012

E89R

TEAS SECTION 8 & 9 RECEIVED

07/26/2012

CFIT

CASE FILE IN TICRS

02/06/2008

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

11/15/2006

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

10/29/2006

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

09/01/2002

89AG

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

09/01/2002

89AF

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

06/10/2002

MAIL

PAPER RECEIVED

06/10/2002

C15A

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

12/06/1997

815F

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

11/10/1997

R.PR

REGISTERED-PRINCIPAL REGISTER

08/04/1992

CNPR

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

06/11/1992

DOCK

ASSIGNED TO EXAMINER

06/09/1992

SUPC

STATEMENT OF USE PROCESSING COMPLETE

05/19/1992

IUAF

USE AMENDMENT FILED

05/05/1992

NOAM

NOA MAILED - SOU REQUIRED FROM APPLICANT

03/03/1992

PUBO

PUBLISHED FOR OPPOSITION

12/10/1991

NPUB

NOTICE OF PUBLICATION

11/08/1991

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

07/02/1991

CNEA

EXAMINER'S AMENDMENT MAILED

06/28/1991

DOCK

ASSIGNED TO EXAMINER

06/20/1991

Continuous trademark protection

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