Light-shielding tube holder for use with blood washing apparatus
US4136818A · kind A · utility
14Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 25, 1977 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Oct 25, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/661
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for holding a transparent tube in an optical sensor while excluding light from external sources. The device is automatically positioned for excluding external light upon insertion of the tube into the optical sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.