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Publication numberUSD416308 S
Publication typeGrant
Application numberUS 29/091,239
Publication dateNov 9, 1999
Filing dateJul 24, 1998
Publication number091239, 29091239, US D416308 S, US D416308S, US-S-D416308, USD416308 S, USD416308S
InventorsDennis E. Ward, Kevin J. Schrage, Paul R. Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson
Original AssigneeDonaldson Company, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Safety filter element
US D416308 S
Abstract  available in
Images(5)
Previous page
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Claims(1)
  1. The ornamental design for safety filter element, as shown and described.
Description

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.

Non-Patent Citations
Reference
1Exhibit A, Photographs of a prior art safety filter element (2 pages, 4 photographs).
Referenced by
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Classifications
U.S. ClassificationD23/209