Patent
   D416308
Priority
Jul 24 1998
Filed
Jul 24 1998
Issued
Nov 09 1999
Expiry
Nov 09 2013
Assg.orig
Entity
unknown
121
10
n/a
The ornamental design for safety filter element, as shown and described.

FIG. 1 is a top plan view of a safety filter element embodying our new design;

FIG. 2 is a bottom plan view of the safety filter element depicted in FIG. 1;

FIG. 3 is a front side elevational view of the safety filter element depicted in FIG. 1;

FIG. 4 is a back side elevational view of the safety filter element depicted in FIG. 4;

FIG. 5 is a left side elevational view of the safety filter element depicted in FIG. 1; and,

FIG. 6 is a right side elevational view of the safety filter element depicted in FIG. 1.

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

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 24 1998Donaldson Company, Inc.(assignment on the face of the patent)
Oct 26 1998WARD, DENNIS E Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096190293 pdf
Oct 29 1998SCHRAGE, KEVIN J Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096190293 pdf
Nov 05 1998IVARSON, JEFFREY J Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096190293 pdf
Nov 12 1998COULONVAUX, PAUL R Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096190293 pdf
Nov 12 1998DEWIT, JOHAN G Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096190293 pdf
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