USPTO trademark record

BYDIFFER

Live registered mark · Owner Liang, Jiangong · Classes 9

Mark details

Owner: Liang, Jiangong
Serial number: 90494290
Registration number: 6663285
Status: REGISTERED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2021-01-28
Registered: 2022-03-08
Goods / services: Earphones; Headphones; Audio-receivers and video-receivers; Backpacks especially adapted for holding laptops; Battery chargers; Computer cursor control devices, namely, computer mouse; Computer keybo…

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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