USD499472SExpiredUtility

Electric heater

65
Assignee: PERFECT UNION CO LTDPriority: Oct 29, 2003Filed: Oct 29, 2003Granted: Dec 7, 2004
Est. expiryOct 29, 2023(expired)· nominal 20-yr term from priority
Inventors:Chan Ching
65
PatentIndex Score
13
Cited by
7
References
1
Claims

Claims

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

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