USD947912SActiveUtility

Air heater

51
Assignee: KANG HONG KUPriority: Oct 22, 2019Filed: Mar 19, 2020Granted: Apr 5, 2022
Est. expiryOct 22, 2039(~13.2 yrs left)· nominal 20-yr term from priority
Inventors:Hong Ku Kang
51
PatentIndex Score
2
Cited by
31
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an air heater, as shown and described.

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