Patent
   D880153
Priority
Jan 10 2018
Filed
Jul 09 2018
Issued
Apr 07 2020
Expiry
Apr 07 2035
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for a demonstration tool, as shown and described.

FIG. 1 is a left right side elevational view of a demonstration tool, wherein the demonstration tool's cover is in an open position;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof.

Marx, Matthias

Patent Priority Assignee Title
Patent Priority Assignee Title
130399,
D255038, Jan 31 1978 Tomy Kogyo Co., Inc. Housing for use with manipulative games
D328765, Feb 02 1990 Tabletop horseshoe game and container therefor
D358408, Apr 26 1993 Combined cam corder storage box and audio-video monitor
D474596, Apr 30 2002 John D. Brush & Co., Inc. Step-up case
D525429, Aug 30 2004 KRIPA, L L C Boxed watch and accessories
D619089, Jul 11 2008 SKY RICH STAR LIMITED Solar powered flashlight case
D657560, Feb 15 2011 Computer case
D839583, Sep 25 2017 SHENZHEN DING KA TECHNOLOGY CO., LTD.; SHENZHEN DING KA TECHNOLOGY CO , LTD Power box with wireless earphone
D859519, Sep 15 2017 VIEWITECH CO , LTD ; Carl Zeiss VIsion International GmbH Demonstration tool
D870451, Jul 07 2016 GN AUDIO A/S Case
JP2002204881,
JP2004016660,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 09 2018Carl Zeiss VIsion International GmbH(assignment on the face of the patent)
Aug 28 2018Carl Zeiss Vision GmbHCarl Zeiss VIsion International GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0470420268 pdf
Aug 31 2018MARX, MATTHIASHENSSLER & SCHULTHEISS FULLSERVICE PRODUCTDESIGN GMBHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0467970925 pdf
Aug 31 2018HENSSLER & SCHULTHEISS FULLSERVICE PRODUCTDESIGN GMBHCarl Zeiss Vision GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0468110619 pdf
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