USPTO trademark record

DUO CONE

Dead mark · Owner WELCH SCIENTIFIC COMPANY, THE · Classes 9

Mark details

Owner: WELCH SCIENTIFIC COMPANY, THE
Serial number: 72233423
Registration number: 0840842
Status: EXPIRED (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1965-11-26
Registered: 1967-12-19
Goods / services: BURNER FOR LABORATORY USE

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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