USPTO trademark record

STRONA

Dead mark · Owner UNION OIL COMPANY OF CALIFORNIA · Classes 4

Mark details

Owner: UNION OIL COMPANY OF CALIFORNIA
Serial number: 71506906
Registration number: 0502990
Status: EXPIRED (dead)
Classes: 4 (Fuels)
Filed: 1947-07-21
Registered: 1948-10-19
Goods / services: LUBRICATING GREASES

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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