Ventilation – Chimney or stack – Chimneytop or stacktop structure
Reexamination Certificate
2005-07-26
2005-07-26
Boles, Derek S. (Department: 3749)
Ventilation
Chimney or stack
Chimneytop or stacktop structure
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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Boles Derek S.
Myers & Kaplan LLC
Patel Ashish D.
LandOfFree
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