USPTO trademark record

DUO-SEAL

Live mark · Owner AVOX SYSTEMS INC. · Classes 9

Mark details

Owner: AVOX SYSTEMS INC.
Serial number: 99781764
Registration number: Not registered
Status: PUBLISHED FOR OPPOSITION
Classes: 9 (Software / electronics / downloadable media)
Filed: 2026-04-23
Registered: —
Goods / services: Aviation oxygen systems for crew and passengers not for medical use, namely, oxygen breathing units and oxygen dispensing units composed of oxygen tanks, regulators, and masks; passenger oxygen masks…

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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