USPTO trademark record

KNOWH2OW

Dead mark · Owner Air Products and Chemicals, Inc. · Classes 41, 42

Mark details

Owner: Air Products and Chemicals, Inc.
Serial number: 78045070
Registration number: 2613543
Status: CANCELLED - SECTION 8 (dead)
Classes: 41 (Education / entertainment), 42 (Software / tech services (SaaS, design, hosting))
Filed: 2001-01-26
Registered: 2002-08-27
Goods / services: Providing hydrogen safety services, namely, conducting classes, workshops, and seminars in the field of safety of safety training and emergency response training; Providing hydrogen safety and engine…

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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