Lacrimal drainage tube
USD590935S1 · kind S1 · design
23Cited by
10References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 2007 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Apr 21, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.