Retaining wall block
USD350402S · kind S · design
31Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1993 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Sep 6, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.