USD318326SExpiredUtility

Electric forced air or gas heater

Assignee: GTE PROD CORPPriority: Apr 2, 1990Filed: Apr 2, 1990Granted: Jul 16, 1991
Est. expiryApr 2, 2010(expired)· nominal 20-yr term from priority
37
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electric forced air or gas heater, as shown.

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