Diagnostic test card
US3990850A · kind A · utility
74Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1976 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Jan 6, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/80
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A novel test card adapted for the performance of an immunochemical, diagnostic or serological test upon its surface, and which is provided with an end flap which may be folded over to enclose and preserve the test results. The flap portion is provided with circular openings which when folded over, are in registry with circular test areas on the surface of the card, permitting visual observation of the test results. The card may be used, for example, for blood group typing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.