Concrete block wall
US4965979A · kind A · utility
41Cited by
3References
2Claims
0Family size
Inventors
Key dates
| Filing date | May 15, 1989 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | May 15, 2009 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2002/0223
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A concrete block wall that has blocks with arcuate faces that are laid in alternating courses to form a woven effect. The blocks are laid without mortar and held together by a combination of recesses and protrusions in the upper and lower faces thereof along with a locking piece that engages the radiused end walls of adjacent blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.