USD508734SExpiredUtility

Heating device

61
Priority: Dec 4, 2003Filed: Jun 2, 2004Granted: Aug 23, 2005
Est. expiryDec 4, 2023(expired)· nominal 20-yr term from priority
Inventors:Tianyu Gao
61
PatentIndex Score
11
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heating device, as shown and described.

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