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Patent
D877876
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Priority
Sep 07 2018
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Filed
Sep 07 2018
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Issued
Mar 10 2020
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Expiry
Mar 10 2035
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Assg.orig
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Entity
unknown
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5
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14
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n/a
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The ornamental design for a three dimensional filter frame, as shown and described.
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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 |
1251018, |
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1743675, |
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3724671, |
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|
3793692, |
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|
|
6328778, |
Apr 01 1999 |
Andreae Filters, Inc. |
Filter apparatus |
8500839, |
Apr 28 2009 |
Parker-Hannifin Corporation |
Panel filter |
20090019824, |
|
|
|
20090183477, |
|
|
|
20140109534, |
|
|
|
D449100, |
Aug 25 2000 |
3M Innovative Properties Company |
HVAC filter |
D599465, |
Sep 29 2008 |
|
Vent cover |
D685898, |
Oct 21 2011 |
DiversiTech Corporation |
Filter frame |
D708311, |
Oct 17 2011 |
DiversiTech Corporation |
Filter frame |
D831182, |
Jun 20 2016 |
3M Innovative Properties Company |
Air filter |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a