Trademark Search / FILTER SENTINEL

FILTER SENTINEL

○ Dead · Cancelled

U.S. federal trademark · Serial No. 73068058 · Reg. No. 1053561

Mark

FILTER SENTINEL

Status

Cancelled

Serial Number

73068058

Registration No.

1053561

Filing Date

November 5, 1975

Registration Date

November 30, 1976

Class(es)

Class 009

Owners

03 · SAN ANTONIO, TX, US

98 · San Antonio, TX

APPARATUS FOR MONITORING THE CONDITION OF A FLUID FILTER, ESPECIALLY A CLOGGED FILTER CONDITION, USED PARTICULARLY WITH FURNACES AND AIR CONDITIONERS

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.