The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2013
Filed:
Mar. 26, 2012
Applicants:
William B. Dawson, Medina, MN (US);
Robert A. Macdonald, Plymouth, MN (US);
Inventors:
William B. Dawson, Medina, MN (US);
Robert A. MacDonald, Plymouth, MN (US);
Assignee:
Contech Technologies, Inc., West Chester, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 17/20 (2006.01); E04B 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Single and multiple retaining wall blocks and block systems in which the blocks are provided with a face connection system which includes at least one front lip extending from a top surface of the block and a bottom channel formed into a front face and bottom surface of the block. The front lips have a length which is equal to the width of the blocks.