Air cleaner; replaceable filter cartridges; and, methods
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United States of America Patent
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Mar 12, 2013
Grant Date -
Nov 1, 2012
app pub date -
Jul 9, 2012
filing date -
Aug 25, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
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Family
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