USPTO trademark record

SIFENYU

Live registered mark · Owner Liu, Shuangyuan · Classes 9

Mark details

Owner: Liu, Shuangyuan
Serial number: 90249842
Registration number: 6403190
Status: REGISTERED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2020-10-12
Registered: 2021-06-29
Goods / services: Earphones; Acoustic sound alarms; Bicycle helmets; Cases for smartphones; Diving snorkels; Diving suits; Face masks for diving; Motorcycle goggles; Motorcycle helmets; Scuba masks; Skateboarding helm…

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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