Diagnostic test card

Chemistry: physical processes – Physical processes – Crystallization

Patent

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Details

23253TP, 128 2F, 424 11, 424 12, G01N 3100, G01N 3316

Patent

active

039908500

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.

REFERENCES:
patent: 2304817 (1942-12-01), Grozin
patent: 2770572 (1956-11-01), Eldon
patent: 3074853 (1963-01-01), Brewer
patent: 3502437 (1970-03-01), Mass
patent: 3666421 (1972-05-01), Price
patent: 3770383 (1973-11-01), Price
patent: 3838012 (1974-09-01), Higgens et al.

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