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:
Apr. 25, 1995
Filed:
Dec. 17, 1992
Applicant:
Inventors:
Duane G Barber, Yorba Linda, CA (US);
David E Dalke, La Habra, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
7386422 ; 7386434 ;
Abstract
A probe washing apparatus including a probe having a tip and a wash collar having a bore coaxially aligned with the probe, the wash collar including ports for applying a vacuum and a wash liquid to the wash collar bore. The probe may be displaced vertically with respect to the wash collar to aspirate and dispense liquids, and the wash collar and probe are displaced together laterally. The steps of washing the probe tip include raising the probe to a position with the probe tip within the bore, applying vacuum to the bore, flushing the interior of the probe, and flushing the exterior of the probe.