USD262234SExpiredUtility

Auxiliary heat transfer attachment unit for an existing fireplace

12
Individually held — no corporate assignee on recordPriority: Jul 24, 1978Filed: Jul 24, 1978Granted: Dec 8, 1981
Est. expiryJul 24, 1998(expired)· nominal 20-yr term from priority
Inventors:Siegfried H. Brueschke
12
PatentIndex Score
1
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an auxiliary heat transfer attachment unit for an existing fireplace, substantially as shown.

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