Patent
   D437402
Priority
Nov 05 1999
Filed
Nov 05 1999
Issued
Feb 06 2001
Expiry
Feb 06 2015
Assg.orig
Entity
unknown
180
15
n/a
The ornamental design for a filter element with centerpiece, as shown and described.

FIG. 1 is a schematic, perspective view of a filter element with centerpiece embodying our new design, the fluted filter media being shown schematically in the upper face;

FIG. 2 is another schematic, perspective view of a filter element with centerpiece depicted in FIG. 1, the fluted filter media being shown schematically in only a portion of the upper face but being representative of the entire face;

FIG. 3 is a front elevational view of the design depicted in FIG. 2, the rear elevational view being a mirror image thereof;

FIG. 4 is a right elevational view of the design depicted in FIG. 2, the left elevational view being a mirror image thereof;

FIG. 5 is a top plan view of the design depicted in FIG. 2; and,

FIG. 6 is a bottom plan view of the design depicted in FIG. 2.

Gieseke, Steven Scott, Bishop, Wayne R. W., Juliar, William M., Steinbrueck, Edward A., Golden, Patrick, Musselman, Wayne C.

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Nov 05 1999Donaldson Company, Inc.(assignment on the face of the patent)
Feb 15 2000GIESEKE, STEVEN SCOTTDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
Feb 15 2000JULIAR, WILLIAM M Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
Feb 15 2000GOLDEN, PATRICKDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
Feb 18 2000BISHOP, WAYNE R W Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
Feb 21 2000STEINBRUECK, EDWARD A Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
Feb 22 2000MUSSELMAN, WAYNE C Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106650714 pdf
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