Who owns the CHAMBERMASTER trademark?

The CHAMBERMASTER trademark is owned by GROWTHZONE, LLC.

What class is the CHAMBERMASTER trademark registered in?

The CHAMBERMASTER trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for CHAMBERMASTER?

The USPTO serial number for CHAMBERMASTER is 87927834.

What is the registration number for CHAMBERMASTER?

CHAMBERMASTER is registered under USPTO registration number 5701383.

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CHA

USPTO Trademark Record

REGISTERED

CHAMBERMASTER

SN 87927834·Reg 5701383·Filed May 18, 2018

Owner GROWTHZONE, LLC

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.

CHAMBERMASTER (Serial No. 87927834), Registration No. 5701383, is a registered US trademark filed on May 18, 2018 by GROWTHZONE, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: March 19, 2029

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Mark Intelligence

CHAMBERMASTER (Reg. #5701383) is a registered US trademark that has been protecting its owner, GROWTHZONE, LLC, since 2018. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 18, 2018

SERIAL

87927834

REG#

5701383

REGISTERED

Mar 19, 2019

Filing Information

StatusREGISTERED

Filing DateMay 18, 2018

Serial Number87927834

Registration No.5701383

Registration DateMar 19, 2019

Status DateJul 08, 2025

Published for OppositionJan 01, 2019

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 01, 2000

First use in commerce: Sep 01, 2000

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

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Status History

30 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 08, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 08, 2025

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

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jul 08, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Mar 10, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Mar 19, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 11, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 11, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 11, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 11, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Oct 11, 2023

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 02, 2019

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Mar 19, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 01, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 01, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 12, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 20, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Nov 20, 2018

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Nov 20, 2018

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Nov 20, 2018

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Nov 20, 2018

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO LIE

Oct 30, 2018

ASSIGNED TO LIE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 30, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 30, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 17, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 15, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION E-MAILED

Sep 15, 2018

NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Sep 15, 2018

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Sep 10, 2018

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 26, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 22, 2018

NEW APPLICATION ENTERED

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