Who owns the CHAINBLOCK trademark?

The CHAINBLOCK trademark is owned by Boshko, David M.

What class is the CHAINBLOCK trademark registered in?

The CHAINBLOCK trademark is registered in Class 038 (Telecommunications services).

What is the serial number for CHAINBLOCK?

The USPTO serial number for CHAINBLOCK is 97271803.

What is the registration number for CHAINBLOCK?

CHAINBLOCK is registered under USPTO registration number 0.

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Updated Sep 17, 2026·28 searches this week

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USPTO Trademark Record

ABANDONED

CHAINBLOCK

SN 97271803·Reg 0·Filed Feb 17, 2022

Owner Boshko, David M

Telecommunications.

CHAINBLOCK (Serial No. 97271803), Registration No. 0, is a abandoned US trademark filed on Feb 17, 2022 by Boshko, David M. This trademark covers Class 038 (Telecommunications services).

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Mark Intelligence

CHAINBLOCK (Reg. #0) is an abandoned US trademark that was filed in 2022 but has since been abandoned. The mark covers Class 038 (Telecommunications services). Goods and services include Telecommunications.. The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 17, 2022

SERIAL

97271803

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateFeb 17, 2022

Serial Number97271803

Registration No.0

Registration DateDec 31, 1969

Status DateFeb 23, 2026

Published for OppositionNov 28, 2023

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use Application

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 100, 101, 104

Telecommunications.

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

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Status History

34 events

ABANDONMENT - NO USE STATEMENT FILED

Feb 23, 2026

ABANDONMENT - NO USE STATEMENT FILED

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

Feb 23, 2026

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 01, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 01, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 01, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Aug 01, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Aug 01, 2025

WITHDRAWAL OF ATTORNEY GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jul 24, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jul 23, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Jul 23, 2025

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Jul 23, 2025

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jan 24, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jan 23, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Jan 23, 2025

SOU EXTENSION 2 FILED

SOU EXTENSION 2 GRANTED

Jan 23, 2025

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Jun 21, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 21, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 21, 2024

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 21, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 23, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 28, 2023

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 28, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 08, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 20, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Oct 19, 2023

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 19, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 19, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 22, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Nov 22, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 22, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 22, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 17, 2022

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 23, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 21, 2022

NEW APPLICATION ENTERED

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