USPTO trademark record

PORTAIRE

Dead mark · Owner Mine Safety Appliances Company · Classes 9

Mark details

Owner: Mine Safety Appliances Company
Serial number: 74546833
Registration number: 2131554
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1994-07-07
Registered: 1998-01-27
Goods / services: portable air supply units and parts therefor for industrial use and for use by firefighters, workers in confined space and other wearers of respiratory protective equipment

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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