USD264374SExpiredUtility

Portable heater

83
Assignee: KOEHRING COPriority: Jul 9, 1979Filed: Jul 9, 1979Granted: May 11, 1982
Est. expiryJul 9, 1999(expired)· nominal 20-yr term from priority
Inventors:Eugene C. BriggsRobert F. ShaftnerHarry J. Giambrone
83
PatentIndex Score
17
Cited by
1
References
1
Claims

Claims

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

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