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US 4,961,849 AGranted
Magnetically attached filter
OwnerHarold L. Hull, Allen Klingameninventors
Life of this patent
Estimating the term…
Abstract
A filter or filter assembly in which at least the frame work is made of magnetic material which holds the filter or filter assembly in place without the need of hardware and which is easily removed for cleaning or changing. The applications or numerous such as vehicle vents, swimming pools, spas, radiator covers, or any opening which needs to be filtered which has a metal frame work or opening.
Claims4
A magnetically attached filter comprising sun glass filter means, frame means attached to said filter means, said frame means consisting essentially of magnetic impregnated vinyl and means to attach said frame to said filter.
Dependencies are inferred from the claim text.