USPTO trademark record

DOUFB

Live mark · Owner Lv, Juanjuan · Classes 9

Mark details

Owner: Lv, Juanjuan
Serial number: 98804266
Registration number: Not registered
Status: PUBLISHED FOR OPPOSITION
Classes: 9 (Software / electronics / downloadable media)
Filed: 2024-10-16
Registered: —
Goods / services: Digital pH meters; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Gas testing instruments; Measuring instrument…

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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