USD637273SActiveUtility

Electric heater

9
Assignee: WENG BINGGANGPriority: Oct 8, 2010Filed: Oct 8, 2010Granted: May 3, 2011
Est. expiryOct 8, 2030(~4.2 yrs left)· nominal 20-yr term from priority
Inventors:Binggang WengChangsheng Liang
9
PatentIndex Score
1
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
We claim the ornamental design for the electric heater, as shown and described.

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