USD557779SExpiredUtility

Electric heater

36
Assignee: PERFECT UNION CO LTDPriority: Jun 2, 2006Filed: Jun 2, 2006Granted: Dec 18, 2007
Est. expiryJun 2, 2026(expired)· nominal 20-yr term from priority
Inventors:Chan ChingChad Ricker
36
PatentIndex Score
2
Cited by
12
References
1
Claims

Claims

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

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