USD258756SExpiredUtility
Manifold for a forced air fireplace furnace
Est. expiryDec 26, 1998(expired)· nominal 20-yr term from priority
Inventors:Hal Larson
28
PatentIndex Score
1
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a manifold for a forced air fireplace furnace, as shown.
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