Devices for recording test results, and test kits comprising them
US4776612A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 2, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Apr 2, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N31/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A recording device for recording results of a series of chemical tests, each of said tests being adapted to produce a change of color or other visual texture of a test material, said recording device comprising: PA0 (a) a recording surface which is capable of being marked by a user of said test, PA0 (b) an array of recording zones on said recording surface, said zones comprising, for each of a respective series of occasions on which an example of said test is to be performed, a series of zones each to be associated with a respective possible outcome of said test on said occasion; and PA0 (c) said device also carrying, for each said zone, a representation of a color or other visual texture of said test material corresponding to said respective possible outcome of said test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.