USPTO trademark record

SONOLOG

Dead mark · Owner KEYSTONE DEVELOPMENT CORPORATION · Classes 9

Mark details

Owner: KEYSTONE DEVELOPMENT CORPORATION
Serial number: 71646402
Registration number: 0594846
Status: EXPIRED (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1953-05-04
Registered: 1954-09-07
Goods / services: ACOUSTIC WELL SOUNDERS, PRIMARILY USED FOR DETERMINING THE LIQUID LEVEL IN AN OIL WELL

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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