Dust collecting filter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 22, 2017
Issued Date -
Oct 1, 2015
app pub date -
Mar 27, 2015
filing date -
Mar 31, 2014
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A filter frame includes a first frame portion that includes a filter installation surface for installing a filter, a second frame portion that retains the filter by holding the filter between the first frame portion, and a hinge portion that connects the first frame portion and the second frame portion. The first frame portion has a plurality of fitting projections and an arm provided on a filter installation surface of the first frame portion so as to extend between a plurality of fitting projections. The second frame portion has a plurality of fitting portions for receiving the plurality of fitting projections, and a cutout provided in a side of the frame facing the side in which the second frame portion is connected to the first frame portion by the hinge portion.
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