FILTER CARTRIDGES; FEATURES AND METHODS OF ASSEMLBY; AIR CLEANER ASSEMBLIES; AND, FILTER CARTRIDGE COMBINATIONS
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United States of America Patent
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app pub date -
Mar 15, 2013
filing date -
Nov 29, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Filter cartridge arrangements, features thereof and assembly for use therewith, are provided. Selected filter cartridge features disclosed are particularly well adapted for use with a safety or secondary filter cartridge, usable with media thereof projecting into an open interior of a main filter cartridge, in use. An example filter cartridge is described, with a non-pleated end and a pleated end, although variations are also described. Advantageous main cartridges are also described. Methods of assembly and systems for use are described.
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