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Patent
   D444219
Priority
Nov 05 1999
Filed
Nov 05 1999
Issued
Jun 26 2001
Expiry
Jun 26 2015
Inventors
Gieseke, S…
Assg.orig
Donaldson …
Assg.curr
Donaldson …
Entity
unknown
Referenced by
92
References
14
Maint.:
n/a
The ornamental design for centerpiece for filter element, as shown and described.

FIG. 1 is a perspective view of a first embodiment of a centerpiece for filter element embodying our new design;

FIG. 2 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of a second embodiment of a centerpiece for filter element embodying our new design, the structure being depicted in broken lines forming no part of the design sought to be patented;

FIG. 7 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 8 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a perspective view of a fourth embodiment of a centerpiece for filter element embodying our new design;

FIG. 12 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 13 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 14 is a top plan view thereof; and,

FIG. 15 is a bottom plan view thereof.

The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design.
INVENTORS:

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

THIS PATENT IS REFERENCED BY THESE PATENTS:
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ASSIGNMENT RECORDS    Assignment records on the USPTO
///////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 05 1999Donaldson Company, Inc.(assignment on the face of the patent)
Jan 26 2000GIESEKE, STEVEN SCOTTDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
Jan 26 2000JULIAR, WILLIAM M Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
Jan 26 2000BISHOP, WAYNE R W Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
Jan 26 2000GOLDEN, PATRICKDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
Jan 27 2000MUSSELMAN, WAYNE C Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
Feb 01 2000STEINBRUECK, EDWARD A Donaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105910075 pdf
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