USD486899SExpiredUtility

Electric heater

40
Priority: Dec 7, 2002Filed: Jun 5, 2003Granted: Feb 17, 2004
Est. expiryDec 7, 2022(expired)· nominal 20-yr term from priority
Inventors:Tian Yu Gao
40
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

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

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