Mortarless retaining wall block
USD555810S1 · kind S1 · design
45Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 2006 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Nov 20, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.