USD402741SExpiredUtility

Electric heater

85
Assignee: YEL LI ELECTRICAL WORKS CO LTDPriority: Dec 4, 1997Filed: Dec 4, 1997Granted: Dec 15, 1998
Est. expiryDec 4, 2017(expired)· nominal 20-yr term from priority
Inventors:Cheng-Ho Chen
85
PatentIndex Score
32
Cited by
4
References
1
Claims

Claims

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

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