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Patent
D906439
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Priority
Apr 30 2018
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Filed
Apr 30 2018
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Issued
Dec 29 2020
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Expiry
Dec 29 2035
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Assg.orig
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Entity
unknown
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1
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26
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n/a
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The ornamental design for a tetrahedral icosahedron block, as shown and described.
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FIG. 1 is a perspective view of a tetrahedral icosahedron block, showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a back elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Howard, T. Dashon
Patent |
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8826602, |
Dec 05 2013 |
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Apr 04 2014 |
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Systems and methods for enhanced building block applications |
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|
D255473, |
Mar 07 1978 |
GRUNER + JAHR PRINTING AND PUBLISHING CO , 685 THIRD AVENUE, NEW YORK, NY 10017, A DE PARTNERSHIP |
Toy block |
D763970, |
May 29 2014 |
|
Tetrahedral turbine block |
D798392, |
May 27 2014 |
T. Dashon, Howard |
Tetrahedral positive universal joint block |
D800227, |
May 27 2014 |
T. Dashon, Howard |
Tetrahedral negative universal joint block |
D802683, |
May 27 2014 |
T. Dashon, Howard |
Tetrahedral neutral converter block |
D837902, |
Feb 08 2017 |
|
Octahedral block |
D842385, |
Feb 08 2017 |
|
Expanded octahedral block |
D843494, |
Feb 08 2017 |
|
Expanded tetrahedral block |
D861080, |
Mar 30 2018 |
|
Pentagonal tetrahedral block |
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Maintenance Fee Events |
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Maintenance Schedule |
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