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.:

US 8434971 B1

PDF
Full Text
Expired
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.


Find Patent Forward Citations

Dawson, William. (2013). Retaining wall block with face connection (U.S. Patent No. 8434971). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8434971

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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