The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 1980
Filed:
May. 13, 1977
David G Bullock, Birmingham, GB;
Roger A Bunce, Birmingham, GB;
Ian R Clark, Birmingham, GB;
Ian D Duff, Ossining, NY (US);
Geoffrey S Greaves, Droitwich, GB;
Peter H Lloyd, Birmingham, GB;
Ann M Peters, Birmingham, GB;
Thomas P Whitehead, Leamington Spa, GB;
Peter Wilding, Birmingham, GB;
National Research Development Corporation, London, GB;
Abstract
In testing for cleanliness a cuvette having translucent wall portions, the cuvette is preferably partially filled with pure water and then a beam of optical radiation is directed at a said wall portion, the intensity of radiation which has passed through the cuvette by direct transmission or by scattering is detected, and the state of cleanliness of the cuvette is determined from a comparison between the detected optical intensity and a criterion indicative of cuvette cleanliness. The invention finds particular application to testing cuvettes for cleanliness which have been washed in a laundry of an automatic blood analysing machine.