Auxiliary screen for spectacles
USD598946S1 · kind S1 · design
8Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2009 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Aug 25, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.