USD884752SActiveUtility
Filter key device
Assignee: NINGBO YINZHOU BI CHUN WATER PURIFICATION TECH LIMITED COMPANYPriority: Nov 1, 2018Filed: Nov 1, 2018Granted: May 19, 2020
Est. expiryNov 1, 2038(~12.3 yrs left)· nominal 20-yr term from priority
Inventors:Matthew Stein
23
PatentIndex Score
0
Cited by
16
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design of a filter key device, as shown and described.Join the waitlist — get patent alerts
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