USD289680SExpiredUtility
Blower for moving flue gases in a condensing furnace
Est. expiryAug 13, 2004(expired)· nominal 20-yr term from priority
Inventors:Norvel J. Heob
70
PatentIndex Score
18
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3
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1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a blower for moving flue gases in a condensing furnace, substantially as shown.
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