Block formed from mirrored pair of sheet-formed tetrahedral units

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Description

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.

Claims

The ornamental design for an block formed from mirrored pair of sheet-formed tetrahedral units, as shown and described.

Referenced Cited
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4937106 June 26, 1990 Eliason
5593337 January 14, 1997 Lapointe
5762336 June 9, 1998 Miller, Jr.
D407661 April 6, 1999 Dotterman
D407663 April 6, 1999 MacDonald
D537185 February 20, 2007 Gehry
7469898 December 30, 2008 Forakis
D763970 August 16, 2016 Howard
D798391 September 26, 2017 Howard
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D802683 November 14, 2017 Howard
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Foreign Patent Documents
1958766 May 1971 DE
WO-2015077760 May 2015 WO
Patent History
Patent number: D939636
Type: Grant
Filed: Mar 16, 2018
Date of Patent: Dec 28, 2021
Inventor: T. Dashon Howard (Chicago, IL)
Primary Examiner: Catherine A Tuttle
Application Number: 29/640,688
Classifications
Current U.S. Class: Curved Or Folded (D21/492)