USPTO trademark record

BIOKEN

Dead mark · Owner BIOKEN SEPARATIONS, INC. · Classes 9

Mark details

Owner: BIOKEN SEPARATIONS, INC.
Serial number: 74179244
Registration number: 1723400
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1991-06-24
Registered: 1992-10-13
Goods / services: cartridge filters composed primarily of polyethersulfone used in scientific and laboratory applications to concentrate or purify liquids

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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