Patent
   D877876
Priority
Sep 07 2018
Filed
Sep 07 2018
Issued
Mar 10 2020
Expiry
Mar 10 2035
Assg.orig
Entity
unknown
5
14
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 left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof,

FIG. 5 is a back elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Broken lines in the drawings provide environmental structure and form no part of the design to be patented.

Clear, Scott A., Schuffert, Michael S.

Patent Priority Assignee Title
D913882, May 13 2019 The Boeing Company Aerospace bas relief dome liner
D913883, May 13 2019 The Boeing Company Aerospace bas relief dome liner
D963840, Jul 10 2020 LG Electronics Inc. Inner cover for mask type air purifier
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 07 20183M Innovative Properties Company(assignment on the face of the patent)
Nov 09 2018CLEAR, SCOTT A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0476940356 pdf
Nov 13 2018SCHUFFERT, MICHAEL S 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0476940356 pdf
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