USPTO trademark record

OPTO-LOCK

Dead mark · Owner Sharp Kabushiki Kaisha (Sharp Corporation) · Classes 9

Mark details

Owner: Sharp Kabushiki Kaisha (Sharp Corporation)
Serial number: 73217911
Registration number: 1151571
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1979-06-01
Registered: 1981-04-21
Goods / services: Tuning Circuits Sold as Components of Radio Receivers and Tuners

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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