A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
183/84
A47L 9/14 (2006.01)
Patent
CA 1252741
-1- Disposable Filter For a Vacuum Cleaner Abstract of the Disclosure A vacuum cleaner disposable filter, preferably in the form of a closed container having an inlet for connection to the air discharge outlet of a vacuum cleaner, comprises an assembly of layers including an inner filter layer provided by a non-woven micro-fiber web formed of randomly entangled synthetic polymeric micro-fibers and highly porous outer support layers each preferably comprising spun-bonded non-woven webs on either side of the inner layer.
478224
Gin Vincent M.
Tharp Gene E.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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