USD973837SActiveUtility
Filter unit
Assignee: QINGDAO ECOPURE FILTER CO LTDPriority: Feb 22, 2019Filed: Feb 22, 2019Granted: Dec 27, 2022
Est. expiryFeb 22, 2039(~12.6 yrs left)· nominal 20-yr term from priority
Inventors:Zhibin Zou
69
PatentIndex Score
10
Cited by
17
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a filter unit, as shown and described.Join the waitlist — get patent alerts
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