USD277600SExpiredUtility

Oil heater

49
Assignee: SHARP KKPriority: Jun 9, 1982Filed: Dec 7, 1982Granted: Feb 12, 1985
Est. expiryJun 9, 2002(expired)· nominal 20-yr term from priority
Inventors:Shigetoshi HazamaShuzo SawaMatafumi IkedaAkira Esaki
49
PatentIndex Score
4
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4
References
1
Claims

Claims

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

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