USPTO trademark record

DUALOY DIESEL PISTONS

Live registered mark · Owner United Engine & Machine Company · Classes 7

Mark details

Owner: United Engine & Machine Company
Serial number: 99716620
Registration number: 8520804
Status: REGISTERED
Classes: 7 (Machines)
Filed: 2026-03-21
Registered: 2026-10-27
Goods / services: Pistons for engines; Internal combustion engine parts, namely, pistons

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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