USPTO trademark record

CONPROTEC

Dead mark · Owner Keller, Wilhelm A. · Classes 11

Mark details

Owner: Keller, Wilhelm A.
Serial number: 74360223
Registration number: 1799255
Status: CANCELLED - SECTION 8 (dead)
Classes: 11 (Appliances / lighting)
Filed: 1993-02-19
Registered: 1993-10-19
Goods / services: chemical process equipment for industrial use; namely, chemical reactors, heat exchangers and mixers, sold as a unit for mixing and homogenizing solids, liquids and gases

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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