USPTO trademark record

IRHYTHM

Dead mark · Owner Chang-An Chou · Classes 10

Mark details

Owner: Chang-An Chou
Serial number: 86067541
Registration number: 4631026
Status: CANCELLED - SECTION 18 (dead)
Classes: 10 (Medical devices)
Filed: 2013-09-18
Registered: 2014-11-04
Goods / services: blood pressure measuring apparatus; blood pressure monitors; EKG machines; electrocardiographs; electroencephalographs; electromyographs; heart monitors; heartbeat measuring apparatus; medical instru…

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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