USPTO trademark record

SIDE-FLO

Dead mark · Owner CAMBRIDGE FILTER CORPORATION · Classes 11

Mark details

Owner: CAMBRIDGE FILTER CORPORATION
Serial number: 72239375
Registration number: 0820735
Status: EXPIRED (dead)
Classes: 11 (Appliances / lighting)
Filed: 1966-02-23
Registered: 1966-12-20
Goods / services: AIR FILTERS

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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