Who owns the CELLBLOCK trademark?

The CELLBLOCK trademark is owned by Cornerstone Architectural Products LLC.

What class is the CELLBLOCK trademark registered in?

The CELLBLOCK trademark is registered in Class 020 (Furniture, mirrors & non-metal containers).

What is the serial number for CELLBLOCK?

The USPTO serial number for CELLBLOCK is 87172371.

What is the registration number for CELLBLOCK?

CELLBLOCK is registered under USPTO registration number 5336643.

Sealvo

Home Search: CELLBLOCKCELLBLOCK #87172371

Back

Updated Sep 29, 2026·38 searches this week

View on USPTO TSDR Find similar marks

CEL

USPTO Trademark Record

REGISTERED

CELLBLOCK

SN 87172371·Reg 5336643·Filed Sep 15, 2016

Owner Cornerstone Architectural Products LLC

Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, horn, whalebone or mother-of-pearl; shells; meerschaum; yellow amber.

CELLBLOCK (Serial No. 87172371), Registration No. 5336643, is a registered US trademark filed on Sep 15, 2016 by Cornerstone Architectural Products LLC. This trademark covers Class 020 (Furniture, mirrors & non-metal containers).

Section 8/9 declaration window: November 15, 2027

Conflict Analysis

Full conflict analysis for CELLBLOCK (SN 87172371) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CELLBLOCK (Reg. #5336643) is a registered US trademark that has been protecting its owner, Cornerstone Architectural Products LLC, since 2016. The mark covers Class 020 (Furniture, mirrors & non-metal containers). Goods and services include Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, ho.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 15, 2016

SERIAL

87172371

REG#

5336643

REGISTERED

Nov 14, 2017

Filing Information

StatusREGISTERED

Filing DateSep 15, 2016

Serial Number87172371

Registration No.5336643

Registration DateNov 14, 2017

Status DateApr 26, 2024

Published for OppositionFeb 07, 2017

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 020Furniture, mirrors & non-metal containers

US codes: 002, 013, 022, 025, 032, 050

First use anywhere: Sep 01, 2016

First use in commerce: Sep 01, 2016

Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, horn, whalebone or mother-of-pearl; shells; meerschaum; yellow amber.

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

35 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 26, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Apr 26, 2024

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

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

Apr 26, 2024

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Nov 01, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS SECTION 8 & 15 RECEIVED

Oct 30, 2023

TEAS SECTION 8 & 15 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 24, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 24, 2023

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Oct 24, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 24, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 14, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 14, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 14, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 14, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 14, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Nov 14, 2022

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

REGISTERED-PRINCIPAL REGISTER

Nov 14, 2017

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Oct 13, 2017

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Oct 12, 2017

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Oct 10, 2017

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Oct 06, 2017

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Sep 28, 2017

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Sep 28, 2017

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Apr 04, 2017

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 07, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Feb 07, 2017

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 18, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 28, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Dec 27, 2016

EXAMINERS AMENDMENT -WRITTEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 27, 2016

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT E-MAILED

Dec 27, 2016

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 27, 2016

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Dec 21, 2016

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 21, 2016

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 20, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 19, 2016

NEW APPLICATION ENTERED

Other Marks by Cornerstone Architectural Products LLC

Additional USPTO filings from the same owner.

NEW

NEW ENGLAND VENEER STONE

86455837

Cornerstone Architectural Products LLC

REGISTERED

COR

CORNERSTONE ARCHITECTURAL PRODUCTS CAP

86462862

Cornerstone Architectural Products LLC

REGISTERED

Other Marks in Class 020 — Furniture, mirrors & non-metal containers

Recently filed and registered marks in the same international class.

CEL

CELLBLOCK

98354589

CellBlock FCS, LLC

REGISTERED

CEL

CELLBLOCK FCS

97867420

CellBlock FCS, LLC

ABANDONED

Other Marks by Kelly A. Donahue

Additional USPTO filings handled by the same attorney of record.

ROO

ROOBINIUM

97274581

REGISTERED

PAR

PARK ONE

86620377

REGISTERED

HAR

HARDWIRE

86469953

REGISTERED

HAR

HARDWIRE

86469974

REGISTERED

CELLBLOCK

Run a conflict check

Other Marks by Cornerstone Architectural Products LLC

Other Marks in Class 020 — Furniture, mirrors & non-metal containers

Other Marks by Kelly A. Donahue

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company