Who owns the STEMLOCK trademark?

The STEMLOCK trademark is owned by STEMLOCK, INC..

What class is the STEMLOCK trademark registered in?

The STEMLOCK trademark is registered in Class 017 (Rubber, plastics & insulating materials).

What is the serial number for STEMLOCK?

The USPTO serial number for STEMLOCK is 74005708.

What is the registration number for STEMLOCK?

STEMLOCK is registered under USPTO registration number 1639094.

Sealvo

Home Search: STEMLOCKSTEMLOCK #74005708

Back

Updated Sep 24, 2026·40 searches this week

View on USPTO TSDR Find similar marks

STE

USPTO Trademark Record

REGISTERED

STEMLOCK

SN 74005708·Reg 1639094·Filed Nov 28, 1989

Owner STEMLOCK, INC.

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

STEMLOCK (Serial No. 74005708), Registration No. 1639094, is a registered US trademark filed on Nov 28, 1989 by STEMLOCK, INC.. This trademark covers Class 017 (Rubber, plastics & insulating materials).

Section 8/9 declaration window: March 26, 2031

Conflict Analysis

Full conflict analysis for STEMLOCK (SN 74005708) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

STEMLOCK (Reg. #1639094) is a registered US trademark that has been protecting its owner, STEMLOCK, INC., since 1989. The mark covers Class 017 (Rubber, plastics & insulating materials). Goods and services include Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plasti.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 28, 1989

SERIAL

74005708

REG#

1639094

REGISTERED

Mar 26, 1991

Filing Information

StatusREGISTERED

Filing DateNov 28, 1989

Serial Number74005708

Registration No.1639094

Registration DateMar 26, 1991

Status DateMar 26, 2021

Published for OppositionJan 01, 1991

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 017Rubber, plastics & insulating materials

US codes: 001

First use anywhere: Sep 05, 1988

First use in commerce: Sep 05, 1988

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

25 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 26, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 26, 2021

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 26, 2021

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Mar 26, 2021

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

TEAS SECTION 8 & 9 RECEIVED

Dec 15, 2020

TEAS SECTION 8 & 9 RECEIVED

REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY ENTERED

Oct 21, 2011

REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY ENTERED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 20, 2011

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 14, 2011

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 14, 2011

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 14, 2011

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Mar 08, 2011

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 23, 2011

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Oct 29, 2007

CASE FILE IN TICRS

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

Oct 26, 2001

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Oct 26, 2001

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Aug 10, 2001

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

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

Oct 11, 1996

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

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

Aug 19, 1996

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

REGISTERED-PRINCIPAL REGISTER

Mar 26, 1991

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 01, 1991

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Dec 01, 1990

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 28, 1990

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION MAILED

Mar 01, 1990

NON-FINAL ACTION MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 01, 1990

CORRESPONDENCE RECEIVED IN LAW OFFICE

ASSIGNED TO EXAMINER

Feb 14, 1990

ASSIGNED TO EXAMINER

Other Marks by STEMLOCK, INC.

Additional USPTO filings from the same owner.

GAS

GAS BAGS

76552575

Stemlock Inc.

REGISTERED

Other Marks by CLINTON G. NEWTON

Additional USPTO filings handled by the same attorney of record.

BLU

BLUE TAIL FLY

98483978

REGISTERED

MAX

MAXIGATOR

99015638

REGISTERED

DIE

DIESEL THAW

88935425

REGISTERED

PLA

PLAYER LINK+

79425219

REGISTERED

STEMLOCK

Run a conflict check

Other Marks by STEMLOCK, INC.

Other Marks by CLINTON G. NEWTON

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company