Vacuum appliance filter assemblies and associated vacuum systems
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United States of America Patent
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Jun 26, 2012
Grant Date -
Jan 7, 2010
app pub date -
Oct 1, 2008
filing date -
Jul 4, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Vacuum cleaner filters, in particular replaceable vacuum cleaner filters suitable for both dry and wet/dry type vacuum cleaners are disclosed, as well as systems incorporating the use of such filters and methods for their use. The filters include a plurality of adjacently positioned pleats arranged in a closed circumferential, cylindrically-shaped path, a top end cap having a central orifice capable of constricting a post on a vacuum filter cage, and optionally a molded end ring oppositely-spaced from the top end cap for engagement with the motor housing of a vacuum cleaner.
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