USPTO trademark record

POROCEL

Dead mark · Owner L. SONNEBORN SONS, INC. · Classes 1

Mark details

Owner: L. SONNEBORN SONS, INC.
Serial number: 71381952
Registration number: 0345393
Status: EXPIRED (dead)
Classes: 1 (Chemicals)
Filed: 1936-08-08
Registered: 1937-04-27
Goods / services: ADSORBENT MATERIALS, IN THE NATURE OF AN EARTH PRODUCT USED IN THE FILTRATION OF OILS

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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