Ventilation – Vehicle – Railcar – bus – or trailer
Reexamination Certificate
2008-01-22
2008-01-22
McAllister, Steve (Department: 3749)
Ventilation
Vehicle
Railcar, bus, or trailer
C454S097000, C454S196000
Reexamination Certificate
active
07320637
ABSTRACT:
A filter window adapter unit adapted for use with a main split-sash window of school buses is provided. The adapter unit includes a mounting frame adapted to be installed over the main split-sash window of the school buses. An inner sash is disposed fixedly in a lower position in an inner track portion and carries a pane of glass. An outer sash is disposed movably in an outer track portion and carries an air filter. The outer sash is raised upwardly so as to cover a main window opening when the main split-sash is opened. As a result, the air filter prevents diesel fumes from the school buses from entering into the interior thereof.
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Chin Davis
McAllister Steve
O'Reilly, III Patrick F.
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