Retaining wall block with face connection
US8434971B2 · kind B2 · utility
5Cited by
42References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2012 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Mar 26, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2002/0269
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.