Who owns the SENTINEL trademark?

The SENTINEL trademark is owned by UNION BAG PAPER CORPORATION.

What class is the SENTINEL trademark registered in?

The SENTINEL trademark is registered in Class 037 (Construction, installation & repair services).

The USPTO serial number for SENTINEL is 71458954.

SENTINEL is registered under USPTO registration number 402434.

Updated Nov 2, 2026·24 searches this week

SEN

ABANDONED

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

Class 037Construction, installation & repair services

US codes: 037

First use anywhere: Jan 12, 1943

First use in commerce: Jan 12, 1943

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

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