Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Reexamination Certificate
2008-01-29
2008-01-29
Greene, Jason M. (Department: 1797)
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
C055S351000, C055S478000, C055S481000, C055S491000, C055S492000, C055SDIG031, C055S501000, C055S506000
Reexamination Certificate
active
07323028
ABSTRACT:
A filter screen assembly for use with an air intake structure, the structure including a face within which is formed an air intake opening. The filter screen assembly includes a screen having a flexible mesh material and an outer perimeter edge. The perimeter edge is secured at specified locations to the face of the air intake structure, by a plurality of fastener components each including a fixed portion and an actuating portion, in order to filter out contaminants associated with an air stream entering the intake structure and to prevent the screen from being drawn into the air intake opening. Alternatively, at least one elongated track may be secured to a face of the intake structure proximate the intake opening and, in use with a plurality of traversably secured trolley hooks, operates to advance the screen in a given fashion across the intake opening.
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Gifford Krass Sprinkle Anderson & Citkowski P.C.
Greene Jason M.
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