USPTO trademark record

SILOCK

Dead mark · Owner CALGON CORPORATION · Classes 1

Mark details

Owner: CALGON CORPORATION
Serial number: 72279713
Registration number: 0859169
Status: EXPIRED (dead)
Classes: 1 (Chemicals)
Filed: 1967-09-06
Registered: 1968-10-29
Goods / services: PHOSPHATE-SILICATE-POLYMER BOILER COMPOUND

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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