FIG. 1 is a perspective view of a block formed from mirrored pair of sheet-formed tetrahedral units, showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a perspective view of another embodiment of the block formed from mirrored pair of sheet-formed tetrahedral units, showing my new design;
FIG. 9 is a top view thereof;
FIG. 10 is a bottom view thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a back view thereof;
FIG. 13 is a left side view thereof; and,
FIG. 14 is a right side view thereof.
Patent |
Priority |
Assignee |
Title |
3533202, |
|
|
|
3728201, |
|
|
|
4025012, |
Jul 11 1975 |
|
Modular decorative structure |
4492723, |
Oct 14 1982 |
|
Curvilinear polyhedral construction kit |
4937106, |
Jun 02 1989 |
American Greetings Corporation |
Collapsible decroative assembly |
5593337, |
Jan 11 1996 |
|
Flexible toy piece set for assembly into polyhedral shapes |
5762336, |
Jun 16 1997 |
|
Three dimensional interlocking puzzle |
7469898, |
Apr 05 2006 |
|
Geometric puzzle kits |
20150079870, |
|
|
|
20150079871, |
|
|
|
D255473, |
Mar 07 1978 |
GRUNER + JAHR PRINTING AND PUBLISHING CO , 685 THIRD AVENUE, NEW YORK, NY 10017, A DE PARTNERSHIP |
Toy block |
D407661, |
Jun 26 1998 |
MINNESOTA MINING AMD MANUFACTURING COMPANY |
Ornament |
D407663, |
Jun 26 1998 |
Minnesota Mining and Maufacturing Company |
Ornament |
D537185, |
Apr 18 2004 |
Gehry Design, L.L.C. |
Lamp |
D763970, |
May 29 2014 |
|
Tetrahedral turbine block |
D798391, |
Mar 26 2014 |
T. Dashon, Howard |
Pentagonal building 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 |
DE1958766, |
|
|
|
WO2015077760, |
|
|
|