Who owns the CS trademark?

The CS trademark is owned by CHEMSTRESS CONSULTANT CO..

What class is the CS trademark registered in?

The CS trademark is registered in Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

What is the serial number for CS?

The USPTO serial number for CS is 73599959.

What is the registration number for CS?

CS is registered under USPTO registration number 1430558.

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Section 8 & 9 renewal window

February 24, 2027

110 days remaining

CS

REGISTERED

Serial: 73599959
Reg: 1430558
Filed: May 21, 1986
Owner: CHEMSTRESS CONSULTANT CO.

Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal 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 037Construction, installation & repair services

US codes: 103

First use anywhere: Dec 31, 1977

First use in commerce: Dec 31, 1977

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100

First use anywhere: Dec 31, 1977

First use in commerce: Dec 31, 1977

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Status History

22 events

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

Feb 24, 2026

Code REM2

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 07, 2016

Code APRE

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

Dec 07, 2016

Code 89AG

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Dec 07, 2016

Code RNL2

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

Dec 07, 2016

Code NA89

TEAS SECTION 8 & 9 RECEIVED

Sep 28, 2016

Code E89R

CASE FILE IN TICRS

Nov 01, 2006

Code CFIT

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

Jul 23, 2006

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 23, 2006

Code RNL1

ASSIGNED TO PARALEGAL

Jul 21, 2006

Code PLGL

PAPER RECEIVED

Apr 18, 2006

Code MAIL

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

Apr 18, 2006

Code 89AF

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

Jul 16, 1992

Code C15A

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

Mar 18, 1992

Code 815F

REGISTERED-PRINCIPAL REGISTER

Feb 24, 1987

Code R.PR

PUBLISHED FOR OPPOSITION

Dec 02, 1986

Code PUBO

NOTICE OF PUBLICATION

Nov 02, 1986

Code NPUB

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 17, 1986

Code CNSA

EXAMINERS AMENDMENT MAILED

Sep 15, 1986

Code CNEA

ALLOWANCE/COUNT WITHDRAWN

Sep 11, 1986

Code ZZZZ

EXAMINER'S AMENDMENT MAILED

Aug 14, 1986

Code CNEA

ASSIGNED TO EXAMINER

Aug 06, 1986

Code DOCK

CS

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