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Patent
D893623
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Priority
Apr 16 2018
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Filed
Apr 16 2018
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Issued
Aug 18 2020
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Expiry
Aug 18 2035
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Assg.orig
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Entity
unknown
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0
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15
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n/a
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The ornamental design for a lever system teaching tool, as shown and described.
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FIG. 1 is top perspective view of a lever system teaching tool showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a first side elevational view thereof;
FIG. 4 is a second side elevational view thereof;
FIG. 5 is a first end elevational view thereof;
FIG. 6 is a second end elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawings illustrate portions of the lever system teaching tool that form no part of the claim.
The wire frame lines shown throughout the views depict surface contour.
Harguth, Alison Marie, Koberstine, Jason Butler
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
3944219, |
Apr 11 1975 |
Samuel, Peskin |
Multipositionable portable and collapsible horizontal bar exercising apparatus |
7658702, |
Mar 25 2009 |
|
Push-up bench |
963030, |
|
|
|
CA2873777, |
|
|
|
173173, |
|
|
|
220625, |
|
|
|
233849, |
|
|
|
D318689, |
Jul 27 1988 |
Interel, Inc. |
Learning apparatus for evaluating and developing human resource and organizational skills |
D433060, |
Dec 03 1996 |
|
Color cube model |
D566767, |
Sep 14 2005 |
|
Teacher's aid |
D686287, |
May 01 2012 |
|
Exercise stand |
D806188, |
Apr 27 2016 |
|
Weight rack |
D844078, |
Aug 01 2017 |
|
Exercise bar |
D854102, |
Mar 01 2018 |
|
Appliance for training the sense of balance |
DE29713512, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a