USPTO trademark record

BLOC-AID

Live registered mark · Owner Spartan Chemical Company, Inc. · Classes 3

Mark details

Owner: Spartan Chemical Company, Inc.
Serial number: 73451767
Registration number: 1304593
Status: REGISTERED AND RENEWED
Classes: 3 (Cosmetics / cleaning)
Filed: 1983-11-07
Registered: 1984-11-13
Goods / services: Cleaning Preparation for Use in Drains and Sewers

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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