Who owns the CHEK-LOK trademark?

The CHEK-LOK trademark is owned by ENGINEERED CONTROLS INTERNATIONAL, LLC.

What class is the CHEK-LOK trademark registered in?

The CHEK-LOK trademark is registered in Class 013 (Firearms, ammunition & explosives).

What is the serial number for CHEK-LOK?

The USPTO serial number for CHEK-LOK is 72038971.

What is the registration number for CHEK-LOK?

CHEK-LOK is registered under USPTO registration number 674424.

Sealvo

Home Search: CHEK-LOKCHEK-LOK #72038971

Back

Updated Sep 22, 2026·31 searches this week

View on USPTO TSDR Find similar marks

CHE

USPTO Trademark Record

REGISTERED

CHEK-LOK

SN 72038971·Reg 674424·Filed Oct 16, 1957

Owner ENGINEERED CONTROLS INTERNATIONAL, LLC

Firearms; ammunition and projectiles; explosives; fireworks.

CHEK-LOK (Serial No. 72038971), Registration No. 674424, is a registered US trademark filed on Oct 16, 1957 by ENGINEERED CONTROLS INTERNATIONAL, LLC. This trademark covers Class 013 (Firearms, ammunition & explosives).

Section 8/9 declaration window: February 26, 2029

Conflict Analysis

Full conflict analysis for CHEK-LOK (SN 72038971) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CHEK-LOK (Reg. #674424) is a registered US trademark that has been protecting its owner, ENGINEERED CONTROLS INTERNATIONAL, LLC, since 1957. The mark covers Class 013 (Firearms, ammunition & explosives). Goods and services include Firearms; ammunition and projectiles; explosives; fireworks..

FILED

Oct 16, 1957

SERIAL

72038971

REG#

674424

REGISTERED

Feb 24, 1959

Filing Information

StatusREGISTERED

Filing DateOct 16, 1957

Serial Number72038971

Registration No.674424

Registration DateFeb 24, 1959

Status DateJan 04, 2019

Next RenewalFebruary 26, 2029

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 013Firearms, ammunition & explosives

US codes: 013

First use anywhere: Apr 22, 1957

First use in commerce: Apr 22, 1957

Firearms; ammunition and projectiles; explosives; fireworks.

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

22 events

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

Sep 15, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 15, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 15, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jan 04, 2019

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

REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)

Jan 04, 2019

REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)

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

Jan 04, 2019

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

TEAS SECTION 8 & 9 RECEIVED

Dec 14, 2018

TEAS SECTION 8 & 9 RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 07, 2018

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Feb 24, 2018

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 15, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 18, 2013

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 06, 2011

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Jan 27, 2009

CASE FILE IN TICRS

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

Aug 30, 2008

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Aug 30, 2008

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Aug 27, 2008

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 19, 2008

TEAS SECTION 8 & 9 RECEIVED

REVIEW OF CORRESPONDENCE COMPLETE

Sep 02, 2006

REVIEW OF CORRESPONDENCE COMPLETE

PAPER RECEIVED

Nov 05, 2003

PAPER RECEIVED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Aug 12, 1999

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

May 24, 1999

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

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Feb 24, 1979

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Other Marks by ENGINEERED CONTROLS INTERNATIONAL, LLC

Additional USPTO filings from the same owner.

SUP

SUPERIOR PRODUCTS

88545513

ENGINEERED CONTROLS INTERNATIONAL, LLC

REGISTERED

88545507

ENGINEERED CONTROLS INTERNATIONAL, LLC

REGISTERED

GOD

GODDARD

88545504

ENGINEERED CONTROLS INTERNATIONAL, LLC

REGISTERED

REG

REGO

73046609

ENGINEERED CONTROLS INTERNATIONAL, LLC

REGISTERED

Other Marks in Class 013 — Firearms, ammunition & explosives

Recently filed and registered marks in the same international class.

DUO

DUO-CHEK

72212558

CRANE CHEMPHARMA & ENERGY CORP.

REGISTERED

CHE

CHEK-MATE

77552868

Gunhide Properties, LLC

REGISTERED

QUI

QUIK-CHEK

77567160

Gunhide Properties, LLC

REGISTERED

CAM

CAM-LOK

90177929

Reis-Green, Austin

REGISTERED

Other Marks by Thomas C. McDonough

Additional USPTO filings handled by the same attorney of record.

SUP

SUPERIOR PRODUCTS

88545513

REGISTERED

VER

VERSAFILL

87797292

REGISTERED

88545507

REGISTERED

MIL

MILLWORKTIME

86770289

REGISTERED

CHEK-LOK

Run a conflict check

Other Marks by ENGINEERED CONTROLS INTERNATIONAL, LLC

Other Marks in Class 013 — Firearms, ammunition & explosives

Other Marks by Thomas C. McDonough

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company