Patent
   D859519
Priority
Sep 15 2017
Filed
Mar 14 2018
Issued
Sep 10 2019
Expiry
Sep 10 2034

TERM.DISCL.
Assg.orig
Entity
unknown
1
13
n/a
The ornamental design for a demonstration tool, as shown and described.

FIG. 1 is a perspective view of a demonstration tool showing my new design;

FIG. 2 is a front view of the demonstration tool of FIG. 1;

FIG. 3 is a rear view of the demonstration tool of FIG. 1;

FIG. 4 is a left-side view of the demonstration tool of FIG. 1;

FIG. 5 is a right-side view of the demonstration tool of FIG. 1;

FIG. 6 is a top plan view of the demonstration tool of FIG. 1; and,

FIG. 7 is a bottom view of the demonstration tool of FIG. 1.

The broken lines depict portions of the demonstration tool that form no part of the claimed design.

Ye, Seo Ji

Patent Priority Assignee Title
D880153, Jan 10 2018 HENSSLER & SCHULTHEISS FULLSERVICE PRODUCTDESIGN GMBH; Carl Zeiss Vision GmbH Demonstration tool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 14 2018Carl Zeiss VIsion International GmbH(assignment on the face of the patent)
Jun 28 2018YE, SEO JIVIEWITECH CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0464250785 pdf
Jun 28 2018VIEWITECH CO , LTD Carl Zeiss VIsion International GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0469920250 pdf
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