USPTO trademark record

PAR-O-SAN

Dead mark · Owner DR. SALSBURY'S LABORATORIES · Classes 5

Mark details

Owner: DR. SALSBURY'S LABORATORIES
Serial number: 71447617
Registration number: 0404978
Status: EXPIRED (dead)
Classes: 5 (Pharmaceuticals)
Filed: 1941-10-08
Registered: 1944-01-04
Goods / services: LIQUID DISINFECTANT AND INSECTICIDE FOR GENERAL USE IN AND ABOUT THE BARNS KENNELS, PENS, AND POULTRY AND ANIMAL HOUSES, AND AS A LITTER SPRAY AND POULTRY AND ANIMAL DIP

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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