Ladder climbing demonstration exhibit
USD619653S1 · kind S1 · design
1Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2009 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Jul 13, 2024 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.