USPTO trademark record

FLOSPERSE

Dead mark · Owner PFIZER INC. · Classes 1

Mark details

Owner: PFIZER INC.
Serial number: 73528493
Registration number: 1359976
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1985-03-25
Registered: 1985-09-17
Goods / services: POLYMERIC DISPERSANTS FOR AQUEOUS DRILLING MUDS AND COAL-WATER LIQUID FUEL SLURRIES

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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