Exhaust pipe cover

Ventilation – Chimney or stack – Chimneytop or stacktop structure

Reexamination Certificate

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Details

C454S004000, C060S324000

Reexamination Certificate

active

06921327

ABSTRACT:
An exhaust pipe cover adapted to resist wind-induced uplift and entry of any accompanying and/or independent rain, snow, dirt, dust, and/or other foreign matter, into the exhaust pipe and communicating engine, wherein such a device may be retrofitted to existing vertically-disposed exhaust pipes extending from engines incorporated into machinery such as, for exemplary purposes only, tractors, trucks, irrigation motors, generators, and the like.

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patent: 4821629 (1989-04-01), Davison et al.
patent: 4909239 (1990-03-01), Hoyme
patent: 5094050 (1992-03-01), Jenkins
patent: 5848931 (1998-12-01), Dortzbach

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