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PTO
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Patent
D858631
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Priority
Mar 27 2018
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Filed
Sep 27 2018
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Issued
Sep 03 2019
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Expiry
Sep 03 2034
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Assg.orig
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Entity
unknown
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1
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14
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n/a
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The ornamental design for a demonstration tool, as shown and described.
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FIG. 1 is a front perspective view of a demonstration tool, showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right-side elevation view thereof;
FIG. 6 is a left-side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
Ye, Seo Ji
| Patent |
Priority |
Assignee |
Title |
| D880487, |
Sep 28 2018 |
ARKH, INC |
Pointing controller |
| Patent |
Priority |
Assignee |
Title |
| 20120162600, |
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| 20190086691, |
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| 20190110679, |
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| 201017, |
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Oct 07 2015 |
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Visual aid that demonstrates a random walk and generates a bell curve distribution |
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Jul 07 2016 |
LABOR WELTENBAU; TREND FACTORY MARKETING UND VERANSTALTUNGS GMBH; Carl Zeiss VIsion International GmbH |
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Jan 27 2017 |
HENSSLER & SCHULTHEISS FULLSERVICE PRODUCTDESIGN GMBH |
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Illen Products Ltd. |
Display holder plate |
| EP3404463, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a