USD271132SExpiredUtility

Portable radiant electric heater

89
Assignee: NAT PRESTO INDUSTRIES INCPriority: Apr 8, 1981Filed: Apr 8, 1981Granted: Oct 25, 1983
Est. expiryApr 8, 2001(expired)· nominal 20-yr term from priority
Inventors:Melvin H. BoldtThurber H. MorrisonRobert W. BeckerRobert S. Huff
89
PatentIndex Score
26
Cited by
11
References
1
Claims

Claims

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

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