Patent
   D896943
Priority
Dec 18 2017
Filed
Dec 18 2017
Issued
Sep 22 2020
Expiry
Sep 22 2035
Assg.orig
Entity
unknown
0
22
n/a
The ornamental design for a three dimensional filter frame, as shown and described.

FIG. 1 is a perspective view of showing the new design for a three dimensional filter frame.

FIG. 2 is a top view thereof;

FIG. 3 is a front side view thereof, the back side view being the same;

FIG. 4 is a right side view thereof, the left side view being the same; and,

FIG. 5 is a bottom view thereof.

In the drawings, the broken lines depict unclaimed portions of the three dimensional filter frame. The dot and dashed lines represent a boundary between the claimed and the non-claimed portions and form no part of the claimed design.

Clear, Scott A., Schuffert, Michael S.

Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 18 20173M Innovative Properties Company(assignment on the face of the patent)
Mar 26 2018CLEAR, SCOTT A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0453570187 pdf
Mar 26 2018SCHUFFERT, MICHAEL S 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0453570187 pdf
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