Patent
   D856472
Priority
Jan 30 2018
Filed
Jan 30 2018
Issued
Aug 13 2019
Expiry
Aug 13 2034
Assg.orig
Entity
unknown
17
14
n/a
The ornamental design for a filter unit, as shown and described.

FIG. 1 is a Front elevational view of a filter unit showing my new design;

FIG. 2 is a Rear elevational view thereof;

FIG. 3 is a Left side view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Top plan view thereof;

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

FIG. 7 is a Perspective views thereof.

The broken lines in the drawing depict portions of the filter unit that form no part of the claimed design.

Zou, Zhibin

Patent Priority Assignee Title
11872510, Jul 01 2021 QINGDAO ECOPURE FILTER CO , LTD Water filter
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D961725, Jan 16 2020 LG Electronics Inc. Refrigerator filter
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Patent Priority Assignee Title
D472299, Aug 22 2002 3M Innovative Properties Company Filter cartridge connector
D599880, Jun 25 2008 Envirogard Products Limited Filter cartridge
D750738, Oct 23 2014 Set of mounting lugs for a water filter
D750739, Nov 05 2014 Set of mounting lugs for a water filter
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D773608, Sep 03 2015 US WATER FILTERS, INC.; US WATER FILTERS, INC Manifold engagement portion of a filter cartridge
D788880, Apr 08 2016 QINGDAO ECOPURE FILTER CO , LTD Filter unit
D792943, Apr 26 2016 HONG KONG ECOAQUA CO., LIMITED Filter unit
D794749, May 09 2016 QINGDAO ECOPURE FILTER CO , LTD Water filter
D813357, Feb 22 2016 ZIP Heaters Aus. Pty. Ltd. Filter key
D822155, May 24 2017 QINGDAO ECOPURE FILTER CO , LTD Filter unit
D831786, Apr 14 2017 QINGDAO ECOPURE FILTER CO., LTD. Filter unit
D831788, Sep 25 2017 QINGDAO ECOPURE FILTER CO., LTD. Filter unit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 01 2017ZOU, ZHIBINQINGDAO ECOPURE FILTER CO , LTD CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNEE TO READ QUINGDAO ECOPURE FILTER CO , LTD PREVIOUSLY RECORDED ON REEL 044844 FRAME 0280 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT 0490430268 pdf
Sep 01 2017ZOU, ZHIBINQINGDAO ECOPURE FILTER CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0448440280 pdf
Jan 30 2018QINGDAO ECOPURE FILTER CO., LTD(assignment on the face of the patent)
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