Double helix ladder
USD386237S · kind S · design
2Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Nov 11, 2011 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.