USPTO trademark record

QUADVERTER

Dead mark · Owner Mitel Corporation · Classes 9

Mark details

Owner: Mitel Corporation
Serial number: 73208964
Registration number: 1151566
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1979-03-26
Registered: 1981-04-21
Goods / services: Tone-to-Pulse Converters Used in Telephone Systems

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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