USD282202SExpiredUtility
Portable heater device
Individually held — no corporate assignee on recordPriority: Apr 18, 1983Filed: Apr 18, 1983Granted: Jan 14, 1986
Est. expiryApr 18, 2003(expired)· nominal 20-yr term from priority
Inventors:Russell R. Ellersick
81
PatentIndex Score
21
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for portable heater device, substantially as shown and described.
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