USPTO trademark record

E-A-R TONE

Live registered mark · Owner CABOT CORPORATION · Classes 10

Mark details

Owner: CABOT CORPORATION
Serial number: 73793536
Registration number: 1599448
Status: REGISTERED AND RENEWED
Classes: 10 (Medical devices)
Filed: 1989-04-17
Registered: 1990-06-05
Goods / services: EARPHONES FOR DIAGNOSTIC USE

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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