Patent
   D451289
Priority
Aug 20 1999
Filed
Jan 25 2001
Issued
Dec 04 2001
Expiry
Dec 04 2015
Assg.orig
Entity
unknown
15
15
n/a
The ornamental design for a filter material, as shown and described.

FIG. 1 is a front view of a filter material showing my new design;

FIG. 2 is an enlarged fragmentary cross-sectional view thereof, taken along line 2--2 of FIG. 1;

FIG. 3 is a front view of a second embodiment of my new design;

FIG. 4 is an enlarged fragmentary cross-sectional view thereof, taken along line 4--4 of FIG. 3; and,

FIG. 5 is a rear view of the filter material, which is identical for both embodiments.

Visel, Uwe

Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 25 2001Carl Freudenberg(assignment on the face of the patent)
Jun 14 2001FREUDENBERG, FIRMA CARLCarl Freudenberg KGCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0128130492 pdf
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