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.

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Updated Nov 3, 2026·37 searches this week

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Section 8 declaration window

December 22, 2026

48 days remaining

CAL

CAL-CHEX

REGISTERED

Serial: 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.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

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.

Status History

14 events

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

Dec 22, 2025

Code REM1

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 01, 2023

Code ASGN

REGISTERED-PRINCIPAL REGISTER

Dec 22, 2020

Code R.PR

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 06, 2020

Code NPUB

PUBLISHED FOR OPPOSITION

Oct 06, 2020

Code PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 16, 2020

Code NONP

EXAMINERS AMENDMENT -WRITTEN

Sep 03, 2020

Code CNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 03, 2020

Code GNEN

EXAMINERS AMENDMENT E-MAILED

Sep 03, 2020

Code GNEA

EXAMINER'S AMENDMENT ENTERED

Sep 03, 2020

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 03, 2020

Code CNSA

ASSIGNED TO EXAMINER

Sep 01, 2020

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 18, 2020

Code NWOS

NEW APPLICATION ENTERED

Jun 02, 2020

Code NWAP

CAL-CHEX

What to file next

Full Goods & Services

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