Strip for teaching-aid
USD585939S1 · kind S1 · design
2Cited by
13References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2005 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Feb 3, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.