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Publication numberUSD404807 S
Publication typeGrant
Application numberUS 29/056,894
Publication dateJan 26, 1999
Filing dateJul 11, 1996
Publication number056894, 29056894, US D404807 S, US D404807S, US-S-D404807, USD404807 S, USD404807S
InventorsLarry R. Nepsund, Kathleen A. Abrahamson, Thomas A. Boeckermann, James K. Elfstrand
Original AssigneeDonaldson Company, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Filter sleeve
US D404807 S
Images(9)
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Claims(1)
  1. The ornamental design for a filter sleeve, as shown and described.
Description

FIG. 1 is a perspective view of a filter sleeve;

FIG. 2 is a top plan view of FIG. 1, the bottom view being a mirror image;

FIG. 3 is a front side view of FIG. 1;

FIG. 4 is a back side view of FIG. 1;

FIG. 5 is a perspective view of a second embodiment of a filter sleeve; different surfaces of the filter sleeve being indicated to contrast in appearance;

FIG. 6 is a top plan view of FIG. 5, the bottom plan view being a mirror image thereof;

FIG. 7 is a front side view of FIG. 5;

FIG. 8 is a back side view of FIG. 5;

FIG. 9 is a perspective view of a third embodiment of a filter sleeve, an outer surface of the sleeve being lined to indicate blue color;

FIG. 10 is a top plan view of FIG. 9, the bottom plan view being a mirror image thereof;

FIG. 11 is a front side view of FIG. 9; and,

FIG. 12 is a back side view of FIG. 9.

Non-Patent Citations
Reference
1"Nonwovens in Filtration/Separation", paper presented by Clarke E. Rodman and Edward C. Homonoff, Allied Aftermarket Division, Allied Signal Corporation, Nonwoven Fabrics Forum, Jun. 21-23, 1988, Clemson University, Clemson, S.C.
2U.S. Patent Application Ser. No. 07/560,723, entitled "Filter Insert for Air Filters Used in a Dust-Filled Environment".
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6422395Jan 10, 2000Jul 23, 2002Nelson Industries Inc.Filter with preferential fluid affinity
US6610198Aug 22, 2001Aug 26, 2003Fleetguard, Inc.Liquid filter with change interval indicator
US6641742Apr 4, 2002Nov 4, 2003Fleetguard, Inc.Liquid filter with separate and calibrated vapor release
US6758980Nov 3, 2003Jul 6, 2004Fleetguard, Inc.Change interval plugging indicator provided in filter housing by gas trap and pressure responsive release mechanism which traps gas in upper section of inlet chamber until designated release pressure is reached, preventing premature indication
Classifications
U.S. ClassificationD23/365, D02/894