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Patent
   D401306
Priority
Sep 12 1997
Filed
Sep 12 1997
Issued
Nov 17 1998
Expiry
Nov 17 2012
Inventors
Ivarson, J…
Assg.orig
Donaldson …
Assg.curr
Donaldson …
Entity
unknown
Referenced by
102
References
3
Maint.:
n/a
The ornamental design for filter element, as shown and described.

FIG. 1 is a top plan view of a first embodiment of a filter element, according to the present invention;

FIG. 2 is a side elevational view of the filter element of FIG. 1; all other side elevational views being identical thereto;

FIG. 3 is a bottom plan view of the filter element of FIG. 1;

FIG. 4 is a top plan view of a second embodiment of a filter element, according to the present invention;

FIG. 5 is a side elevational view of the filter element of FIG. 4; all other side elevational views being identical thereto; and,

FIG. 6 is a bottom plan view of the filter element of FIG. 4.
INVENTORS:

Ivarson, Jeffrey J., Coulonvaux, Paul R., Dewit, Johan G., Ward, Dennis E., Schrage, Kevin J.

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THIS PATENT REFERENCES THESE PATENTS:
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ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 12 1997Donaldson Company, Inc.(assignment on the face of the patent)
Nov 17 1997WARD, DENNIS E Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089590443 pdf
Nov 17 1997IVARSON, JEFFREY J Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089590443 pdf
Nov 24 1997SCHRAGE, KEVIN J Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089590443 pdf
Dec 12 1997COULONVAUX, PAUL R Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089590443 pdf
Jan 26 1998DEWIT, JOHAN G Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089590443 pdf
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