Patent
   D857158
Priority
Jan 30 2018
Filed
Jan 30 2018
Issued
Aug 20 2019
Expiry
Aug 20 2034
Assg.orig
Entity
unknown
20
9
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.

Zou, Zhibin

Patent Priority Assignee Title
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Patent Priority Assignee Title
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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 QINGDAO ECOPURE FILTER CO , LTD PREVIOUSLY RECORDED ON REEL 044844 FRAME 0332 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT 0490430534 pdf
Sep 01 2017ZOU, ZHIBINQINGDAO ECOPURE FILTER CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0448440332 pdf
Jan 30 2018QINGDAO ECOPURE FILTER CO., LTD(assignment on the face of the patent)
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