USD313069SExpiredUtility

Electrical heater

95
Assignee: RIVAL MFG COMPANYPriority: Dec 22, 1988Filed: Dec 22, 1988Granted: Dec 18, 1990
Est. expiryDec 22, 2008(expired)· nominal 20-yr term from priority
Inventors:David D. Mccormick
95
PatentIndex Score
45
Cited by
8
References
1
Claims

Claims

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

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