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Patent
   D797273
Priority
Mar 15 2013
Filed
Jul 14 2015
Issued
Sep 12 2017
Expiry
Sep 12 2032
Inventors
Leatzow, D…
Assg.orig
Illinois T…
Assg.curr
Illinois T…
Entity
unknown
Referenced by
1
References
123
Maint.:
n/a
The ornamental design for an air filtration device filter pin, as shown and described.

FIG. 1 is a top front perspective view of an air filtration device filter pin showing our new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevation view thereof.

FIG. 5 is a rear elevation thereof.

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

FIG. 7 is a right side elevation view thereof.

The broken lines are shown for environmental purposes only and form no part of the claimed design.
INVENTORS:

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

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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 0361130932 pdf
Apr 24 2013GRIDER, KEITH A Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0361130932 pdf
Apr 24 2013GREENE, DANIEL J Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0361130932 pdf
Apr 24 2013BELTON, ANTONIO J Illinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0361130932 pdf
Jul 14 2015Illinois Tool Works Inc.(assignment on the face of the patent)
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