Building block assembly
Claims
The ornamental design for building block assembly, as shown and described.
3461574 | August 1969 | Larsen |
3645535 | February 1972 | Randolph |
4133538 | January 9, 1979 | Ambrose |
4207715 | June 17, 1980 | Kitrick |
4676507 | June 30, 1987 | Patterson |
4723382 | February 9, 1988 | Lalvani |
4875681 | October 24, 1989 | Ofir |
5168677 | December 8, 1992 | Pronsato |
5567194 | October 22, 1996 | Stapleton |
5762529 | June 9, 1998 | Nizza |
D404091 | January 12, 1999 | Nizza |
6264199 | July 24, 2001 | Schaedel |
6921314 | July 26, 2005 | Miller |
6931812 | August 23, 2005 | Lipscomb |
7152381 | December 26, 2006 | Hasley |
7247075 | July 24, 2007 | von Oech |
8157608 | April 17, 2012 | Stapleton |
Type: Grant
Filed: Oct 23, 2015
Date of Patent: Oct 31, 2017
Inventor: Christoffel Francois Du Toit (Mokopane)
Primary Examiner: Cynthia M Chin
Application Number: 29/543,334