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Official data from USPTO

CIRLEX

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

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

CIRLEX

ST13

US500000075022191

Class

17

Filing

75022191

Registration

2045118

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

34

Latest update

05/23/2026

Trademark type

Word

Nice classes

17

Filing date

11/20/1995

Registration date

03/11/1997

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

05/03/2017

Last transaction

05/23/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

Filing basis

Intent to use

First use anywhere

09/03/1996

First use in commerce

09/03/1996

Drawing code

1

Owner type

03

Owner location

Wilmington, DE, US

Examiner

CARRUTHERS, SUE

Law office

L80

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

DUPONT ELECTRONICS, INC.
E. I. du Pont de Nemours and Company

Representatives

Jeffrey M. Connor

Technical classification

Nice Classes

Class 17

Vienna Codes

No Vienna codes available.

Goods and services

Class 17

manufactured all-polyimide composition with dielectrichigh-temperaturecryogenic and chemical-resistant qualitiesfor use in industrial applications

Publications

History of USPTO decisions and trademark events.

34 publications found

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

05/21/2026

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

05/21/2026

REAP

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

05/21/2026

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

05/21/2026

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

05/21/2026

REM2

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

03/11/2026

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

07/03/2019

NA89

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

05/03/2017

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

05/03/2017

89AG

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

05/03/2017

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

05/03/2017

E89R

TEAS SECTION 8 & 9 RECEIVED

03/09/2017

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/09/2017

REM2

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

03/11/2016

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

05/24/2007

89AG

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

05/24/2007

PLGL

ASSIGNED TO PARALEGAL

05/17/2007

89AF

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

04/05/2007

E89R

TEAS SECTION 8 & 9 RECEIVED

04/05/2007

CFIT

CASE FILE IN TICRS

12/20/2006

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

09/27/2005

C15A

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

06/28/2003

815F

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

03/24/2003

E815

TEAS SECTION 8 & 15 RECEIVED

03/24/2003

R.PR

REGISTERED-PRINCIPAL REGISTER

03/11/1997

CNPR

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

01/23/1997

SUPC

STATEMENT OF USE PROCESSING COMPLETE

01/13/1997

IUAF

USE AMENDMENT FILED

11/12/1996

NOAM

NOA MAILED - SOU REQUIRED FROM APPLICANT

10/01/1996

PUBO

PUBLISHED FOR OPPOSITION

07/09/1996

NPUB

NOTICE OF PUBLICATION

06/07/1996

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

05/06/1996

CNEA

EXAMINER'S AMENDMENT MAILED

04/29/1996

DOCK

ASSIGNED TO EXAMINER

04/15/1996

Continuous trademark protection

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