USD371834SExpiredUtility

Air heater

39
Assignee: DURACRAFT CORPPriority: Aug 11, 1995Filed: Aug 11, 1995Granted: Jul 16, 1996
Est. expiryAug 11, 2015(expired)· nominal 20-yr term from priority
Inventors:Richard M. O'Grady
39
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

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

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