USPTO trademark record

DORR

Dead mark · Owner DORR COMPANY, THE · Classes 7

Mark details

Owner: DORR COMPANY, THE
Serial number: 71542738
Registration number: 0527664
Status: EXPIRED (dead)
Classes: 7 (Machines)
Filed: 1947-10-24
Registered: 1950-07-18
Goods / services: APPARATUS FOR THE TREATMENT OF SOLIDS SUSPENDED IN LIQUIDS-NAMELY, THICKENERS, TRAY THICKENERS, CLARIFIERS, AGITATORS, CLASSIFIERS, BOWL CLASSIFIERS, PUMPS, SEWAGE DIGESTERS, SEWAGE BAR SCREENS, VACU…

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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