USD468006SExpiredUtility

Electrical heating device

62
Priority: Nov 21, 2000Filed: May 21, 2001Granted: Dec 31, 2002
Est. expiryNov 21, 2020(expired)· nominal 20-yr term from priority
Inventors:Tianyu Gao
62
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electrical heating device, as shown and described.

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