USD259276SExpiredUtility

Fireplace forced air heating apparatus

Individually held — no corporate assignee on recordPriority: Sep 22, 1978Filed: Sep 22, 1978Granted: May 19, 1981
Est. expirySep 22, 1998(expired)· nominal 20-yr term from priority
30
PatentIndex Score
0
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a fireplace forced air heating apparatus, as shown and described.

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