USD857841SActiveUtility
Refrigerator filter
Assignee: TIANJIN TIANCHUANG BEST PURE ENVIRONMENTAL SCIENCE AND TECH CO LTDPriority: Jan 22, 2018Filed: Feb 22, 2018Granted: Aug 27, 2019
Est. expiryJan 22, 2038(~11.5 yrs left)· nominal 20-yr term from priority
Inventors:Ying-Tsang Lu
89
PatentIndex Score
47
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a refrigerator filter, as shown and described.Join the waitlist — get patent alerts
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