Core sample tube
USD310491S · kind S · design
2Cited by
13References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jun 26, 1987 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Sep 11, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.