Who owns the BL trademark?

The BL trademark is owned by Bigelow-Liptak Corporation.

What is the serial number for BL?

The USPTO serial number for BL is 73237769.

What is the registration number for BL?

BL is registered under USPTO registration number 1173618.

Sealvo

Home Search: BLBL #73237769

Back

Updated Sep 19, 2026·21 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

ABANDONED

BL

Q: What class is the BL trademark registered in?

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

SN 73237769·Reg 1173618·Filed Nov 02, 1979

Owner Bigelow-Liptak Corporation

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.

BL (Serial No. 73237769), Registration No. 1173618, is a abandoned US trademark filed on Nov 02, 1979 by Bigelow-Liptak Corporation. This trademark covers Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

Conflict Analysis

Full conflict analysis for BL (SN 73237769) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

BL (Reg. #1173618) is an abandoned US trademark that was filed in 1979 but has since been abandoned. The mark covers Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and techno.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 02, 1979

SERIAL

73237769

REG#

1173618

REGISTERED

Oct 13, 1981

Filing Information

StatusABANDONED

Filing DateNov 02, 1979

Serial Number73237769

Registration No.1173618

Registration DateOct 13, 1981

Status DateDec 22, 1988

Published for OppositionJul 21, 1981

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 103

First use anywhere: Nov 30, 1966

First use in commerce: Nov 30, 1966

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

Class 042Scientific, technology & SaaS services

US codes: 100

First use anywhere: Nov 30, 1966

First use in commerce: Nov 30, 1966

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.