USD539882SExpiredUtility

Heat pump

54
Assignee: H TECH INCPriority: Sep 28, 2005Filed: Sep 28, 2005Granted: Apr 3, 2007
Est. expirySep 28, 2025(expired)· nominal 20-yr term from priority
Inventors:Gang LiSHINKAREV VITALYGRIFFIN RONALD HGRIFFIN JOHN
54
PatentIndex Score
10
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a heat pump, as shown and described.

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