Patent
   D336678
Priority
Jul 23 1990
Filed
Apr 17 1991
Issued
Jun 22 1993
Expiry
Jun 22 2007

TERM.DISCL.
Assg.orig
Entity
unknown
2
6
n/a
The ornamental design for a grease filter, as shown and described.

FIG. 1 is a perspective view of a grease filter showing our new design, the broken line drawing of a kitchen stove exhaust air hood is for illustrative purposes only and forms no part of the claimed design, on a reduced scale;

FIG. 2 is a front elevational view thereof, the rear view being identical;

FIG. 3 is a top plan view thereof, the bottom view being identical; and,

FIG. 4 is a side elevational view thereof, the opposite side being identical.

Finkelstein, Burl, Lehto, Eino M.

Patent Priority Assignee Title
7585345, Jan 19 2006 Phillips Plastics Corporation Baffle filter
D732153, Aug 16 2013 3M Innovative Properties Company Air filter
Patent Priority Assignee Title
3812972,
4059528, Feb 09 1976 The Dow Chemical Company Cartridge filter
4268391, Nov 28 1979 The Berlyn Corporation Leak proof filter plate system for slide plate filters
4537680, Jun 04 1984 The Board of Trustees of the Leland Stanford Junior University Integral fluid filter and capillary
786203,
D307462, May 21 1987 Grease filter for use in restaurants or the like
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 17 1991Kason Industries, Inc.(assignment on the face of the patent)
Oct 20 1992FINKELSTEIN, BURLKason Industries, IncASSIGNMENT OF ASSIGNORS INTEREST 0062890622 pdf
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