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Patent
   D744625
Priority
Mar 15 2013
Filed
Jul 10 2015
Issued
Dec 01 2015
Expiry
Dec 01 2030
Inventors
Leatzow, D…
Assg.orig
Illinois T…
Assg.curr
Illinois T…
Entity
unknown
Referenced by
2
References
95
Maint.:
n/a
The ornamental design for a filter for an air filtration device, as shown and described.

FIG. 1 is a top front perspective view of a filter of our new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan thereof.

FIG. 4 is a front elevation thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The portion of the filter shown in phantom is not part of the design sought to be patented and is provided for environmental purposes only.
INVENTORS:

Leatzow, Derek J., Belton, Antonio J., Grider, Keith A., Greene, Daniel J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D761946, Sep 12 2014 Illinois Tool Works Inc Filter for an air filtration device
D952836, Jan 28 2020 Nadim Nicolas, Hawa Endosurgical extraction bag
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ASSIGNMENT RECORDS    Assignment records on the USPTO
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 24 2013LEATZOW, DEREK J Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0360780891 pdf
Apr 24 2013GRIDER, KEITH A Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0360780891 pdf
Apr 24 2013GREENE, DANIEL J Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0360780891 pdf
Apr 24 2013BELTON, ANTONIO J Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0360780891 pdf
Jul 10 2015Illinois Tool Works, Inc.(assignment on the face of the patent)
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