Patent
   D906439
Priority
Apr 30 2018
Filed
Apr 30 2018
Issued
Dec 29 2020
Expiry
Dec 29 2035
Assg.orig
Entity
unknown
1
26
n/a
The ornamental design for a tetrahedral icosahedron block, as shown and described.

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 Priority Assignee Title
D968521, Apr 30 2018 T. Dashon, Howard Separable tetrahedral icosahedron block
Patent Priority Assignee Title
10569185, Sep 16 2014 Three-dimensional geometric art toy
4682450, Jul 30 1985 Combinate polyhedra
4719726, Apr 14 1986 Continuous spherical truss construction
5036635, Aug 24 1987 Building system using saddle zonogons and saddle zonohedra
5448868, Oct 21 1992 General Electric Company; Electric Power Research Institute, Inc Periodic space structures composed of two nodal polyhedra for design applications
5567194, Apr 19 1995 GEOMETOY, INC Multi-faceted nesting modules
5762336, Jun 16 1997 Three dimensional interlocking puzzle
7029364, Sep 13 2003 Geometric craft and educational kit
7318764, Apr 12 2005 3-dimensional assembly
7469898, Apr 05 2006 Geometric puzzle kits
7694463, Apr 21 2008 LANAHAN REVOCABLE LIVING TRUST Structured polyhedroid arrays and ring-based polyhedroid elements
8157608, Aug 12 2006 STAPLETON, JONATHAN One-piece polyhedral construction modules
8826602, Dec 05 2013 Stephen L., Lipscomb; Patrecia A., Lipscomb Web or support structure and method for making the same
9339736, Apr 04 2014 Systems and methods for collapsible structure applications
9427676, Nov 12 2014 Systems and methods for enhanced building block applications
20090309302,
20150079872,
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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