USPTO trademark record

HELEX

Live registered mark · Owner A. C. Knox, Inc. · Classes 11

Mark details

Owner: A. C. Knox, Inc.
Serial number: 73407040
Registration number: 1333098
Status: REGISTERED AND RENEWED
Classes: 11 (Appliances / lighting)
Filed: 1982-12-23
Registered: 1985-04-30
Goods / services: Heat Exchangers for Use with Commercial and Industrial Boilers and in Connection with Commercial and Industrial Processing 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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