Cap structure for a centrifuge tube
US4674640A · kind A · utility
53Cited by
4References
1Claims
0Family size
Inventors
Key dates
| Filing date | Mar 24, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Mar 24, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L3/5457
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved cap structure for a centrifuge tube including a flat roughened texture surface on the top thereof especially adapted to permit writing thereon with a variety of standard writing instruments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.