USD898889SActiveUtility
Air purifier
Assignee: QIERLING BEIJING HEALTH TECH CO LTDPriority: Jan 29, 2019Filed: Jan 29, 2019Granted: Oct 13, 2020
Est. expiryJan 29, 2039(~12.5 yrs left)· nominal 20-yr term from priority
Inventors:Hua Yu
84
PatentIndex Score
25
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an air purifier, as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.