Who owns the CAL-CHEX trademark?

The CAL-CHEX trademark is owned by STRECK LLC.

What class is the CAL-CHEX trademark registered in?

The CAL-CHEX trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for CAL-CHEX?

The USPTO serial number for CAL-CHEX is 88939116.

What is the registration number for CAL-CHEX?

CAL-CHEX is registered under USPTO registration number 6227474.

Sealvo

Home Search: CAL-CHEXCAL-CHEX #88939116

Back

Updated Sep 19, 2026·18 searches this week

View on USPTO TSDR Find similar marks

CAL

USPTO Trademark Record

REGISTERED

CAL-CHEX

SN 88939116·Reg 6227474·Filed May 29, 2020

Owner STRECK LLC

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

CAL-CHEX (Serial No. 88939116), Registration No. 6227474, is a registered US trademark filed on May 29, 2020 by STRECK LLC. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Renewal window: December 22, 202693 days remaining

Conflict Analysis

Full conflict analysis for CAL-CHEX (SN 88939116) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CAL-CHEX (Reg. #6227474) is a registered US trademark that has been protecting its owner, STRECK LLC, since 2020. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 29, 2020

SERIAL

88939116

REG#

6227474

REGISTERED

Dec 22, 2020

Filing Information

StatusREGISTERED

Filing DateMay 29, 2020

Serial Number88939116

Registration No.6227474

Registration DateDec 22, 2020

Status DateDec 22, 2020

Published for OppositionOct 06, 2020

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: Feb 21, 1984

First use in commerce: Feb 21, 1984

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

14 events

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Dec 22, 2025

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 01, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Dec 22, 2020

REGISTERED-PRINCIPAL REGISTER

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 06, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Oct 06, 2020

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 16, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Sep 03, 2020

EXAMINERS AMENDMENT -WRITTEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 03, 2020

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT E-MAILED

Sep 03, 2020

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Sep 03, 2020

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 03, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 01, 2020

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 18, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 02, 2020

NEW APPLICATION ENTERED

Other Marks by STRECK LLC

Additional USPTO filings from the same owner.

A1C

A1C-CELLULAR

78544055

STRECK LLC

REGISTERED

NUC

NUCLEIC ACID BCT

97817354

Streck LLC

REGISTERED

PRO

PROTEIN PLUS BCT

97817357

Streck LLC

REGISTERED

ARM

ARM-D

86541458

STRECK LLC

REGISTERED

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Recently filed and registered marks in the same international class.

MDX

MDX-CHEX

90812378

STRECK LLC

REGISTERED

EMU

EMU-CHEX

85319486

PROPPER MANUFACTURING COMPANY, INC.

REGISTERED

ESR

ESR-CHEX

88939112

STRECK LLC

REGISTERED

GAS

GAS-CHEX

73155155

PROPPER MANUFACTURING COMPANY, INC.

REGISTERED

Other Marks by Gregory J Chinlund

Additional USPTO filings handled by the same attorney of record.

ANC

ANCHOR

74564080

REGISTERED

UNI

UNITED POLARIS STUDIO

99180963

REGISTERED

SEN

SENSEFI

79232441

REGISTERED

HAN

HANSA BIOPHARMA

88196717

REGISTERED

CAL-CHEX

Run a conflict check

Other Marks by STRECK LLC

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Other Marks by Gregory J Chinlund

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company