USPTO trademark record

TRI-STACK

Dead mark · Owner Strobic Air Corporation · Classes 11

Mark details

Owner: Strobic Air Corporation
Serial number: 74461778
Registration number: 1876499
Status: CANCELLED - SECTION 8 (dead)
Classes: 11 (Appliances / lighting)
Filed: 1993-11-22
Registered: 1995-01-31
Goods / services: industrial roof exhaust fans

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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