USPTO trademark record

CONPROTEC

Dead mark · Owner W. A. KELLER PROZESSTECHNIK · Classes 11

Mark details

Owner: W. A. KELLER PROZESSTECHNIK
Serial number: 73536303
Registration number: 1401087
Status: CANCELLED - SECTION 8 (dead)
Classes: 11 (Appliances / lighting)
Filed: 1985-05-07
Registered: 1986-07-15
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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