Safety thumb tack with retractable housing
USD420282S · kind S · design
7Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Feb 8, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.