USD402742SExpiredUtility

Electric heater

Assignee: YEL LI ELECTRICAL WORKS CO LTDPriority: Mar 17, 1998Filed: Mar 17, 1998Granted: Dec 15, 1998
Est. expiryMar 17, 2018(expired)· nominal 20-yr term from priority
Inventors:Cheng-Ho Chen
95
PatentIndex Score
78
Cited by
3
References
1
Claims

Claims

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

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