USPTO trademark record

TWINBAR

Dead mark · Owner SPIRATONE, INC. · Classes 9

Mark details

Owner: SPIRATONE, INC.
Serial number: 72203037
Registration number: 0795182
Status: EXPIRED (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1964-09-30
Registered: 1965-08-31
Goods / services: DEVICE FOR ATTACHMENT TO CAMERA FOR MOUNTING THEREON ELECTRONIC FLASH UNITS AND PROVIDING ELECTRICAL CONNECTIONS FOR OPERATING THE FLASH UNITS FROM THE CAMERA

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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