Retaining wall block with side openings
USD448492S · kind S · design
2Cited by
36References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2000 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Sep 25, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.