Foldable filter frame
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United States of America Patent
Stats
-
Oct 10, 2006
Grant Date -
Aug 5, 2004
app pub date -
Dec 4, 2003
filing date -
Dec 4, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A foldable filter frame is provided. The filter frame includes a filter media panel and a rectangular support frame surrounding the filter media panel. The support frame included four edge elements. Each edge element has a double-walled construction and is foldable into a position in which a first leg of the respective edge element is generally perpendicular to a second leg of the edge element. An end of at least one of the edge elements that defines a corner of the support frame supports a foldable tab that is receivable in a complementary slot in an end of the other edge element defining the respective corner of the support frame with the tab being arranged in an inner space between the double-walls of the edge element.
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