USD361828SExpiredUtility

Air heater

93
Assignee: YEL LI ELECTRICAL WORKS CO LTDPriority: Apr 6, 1994Filed: Apr 6, 1994Granted: Aug 29, 1995
Est. expiryApr 6, 2014(expired)· nominal 20-yr term from priority
Inventors:Cheng-Ho Chen
93
PatentIndex Score
52
Cited by
4
References
1
Claims

Claims

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

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