Wall block
Latest KEYSTONE RETAINING WALL SYSTEMS LLC Patents:
Description
Claims
The ornamental design for a wall block, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
5214898 | June 1, 1993 | Beretta |
D350402 | September 6, 1994 | Pribyl et al. |
D363787 | October 31, 1995 | Powell |
D391376 | February 24, 1998 | Strand et al. |
5827015 | October 27, 1998 | Woolford et al. |
D405543 | February 9, 1999 | Shillingburg |
D433158 | October 31, 2000 | Hammer |
D435917 | January 2, 2001 | Hammer |
D466228 | November 26, 2002 | Hammer |
6536994 | March 25, 2003 | Race |
D475143 | May 27, 2003 | Hammer |
D479003 | August 26, 2003 | Nordstrand |
6615561 | September 9, 2003 | MacDonald et al. |
6701687 | March 9, 2004 | Shillingburg |
7048472 | May 23, 2006 | Woolford et al. |
7114887 | October 3, 2006 | Rainey |
7168892 | January 30, 2007 | MacDonald et al. |
D538947 | March 20, 2007 | Price |
D556919 | December 4, 2007 | Price |
D575413 | August 19, 2008 | Hammer |
D587382 | February 24, 2009 | Wauhop |
D602171 | October 13, 2009 | Rodebaugh |
D604865 | November 24, 2009 | Rainey |
7654776 | February 2, 2010 | MacDonald et al. |
D620615 | July 27, 2010 | MacDonald et al. |
D621070 | August 3, 2010 | MacDonald et al. |
D647218 | October 18, 2011 | MacDonald |
D647219 | October 18, 2011 | MacDonald |
D663858 | July 17, 2012 | MacDonald |
D671657 | November 27, 2012 | MacDonald |
D685502 | July 2, 2013 | MacDonald |
D688816 | August 27, 2013 | MacDonald |
D689203 | September 3, 2013 | MacDonald |
D689204 | September 3, 2013 | MacDonald |
D694914 | December 3, 2013 | MacDonald |
D708765 | July 8, 2014 | MacDonald |
D773693 | December 6, 2016 | Karau |
9574317 | February 21, 2017 | MacDonald |
D812781 | March 13, 2018 | MacDonald |
20060110223 | May 25, 2006 | Dawson et al. |
20060171784 | August 3, 2006 | Shaw |
20090308015 | December 17, 2009 | MacDonald et al. |
20110078978 | April 7, 2011 | Wauhop |
20110217127 | September 8, 2011 | MacDonald |
20110243669 | October 6, 2011 | Friederichs |
20130067845 | March 21, 2013 | MacDonald |
20180023303 | January 25, 2018 | MacDonald |
300513040.0000 | December 2008 | KR |
- http://keystonewalls.com/application/files/8115/0953/2905/KSConstructionManual.pdf Nov. 1, 2017 (Year: 2017).
Patent History
Patent number: D846760
Type: Grant
Filed: Oct 25, 2017
Date of Patent: Apr 23, 2019
Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC (West Chester, OH)
Inventors: Robert John Lundell (Stillwater, MN), Craig D. Moritz (Vadnais Heights, MN)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/623,489
Type: Grant
Filed: Oct 25, 2017
Date of Patent: Apr 23, 2019
Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC (West Chester, OH)
Inventors: Robert John Lundell (Stillwater, MN), Craig D. Moritz (Vadnais Heights, MN)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/623,489
Classifications
Current U.S. Class:
Perforated Or Openwork (18) (D25/114)