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:
Dec. 11, 1984
Filed:
Aug. 27, 1982
Donald H De Vaughn, San Francisco, CA (US);
Philip S Watts, Pingree, ID (US);
Dallas L Raty, Provo, UT (US);
Edward H Maker, II, Walnut Creek, CA (US);
Other;
Abstract
Both manual and automated pipetting apparatus for collecting and dispensing controlled amounts of a given specimen are disclosed herein along with their methods of operation. Each of these apparatus utilizes a pipetting device including a stem which carries a replaceable tip and each device is designed so that a tip, once used, can be automatically removed from its associated stem. Each apparatus disclosed also includes a particular arrangement for placing a new tip on a given stem and each utilizes a specific arrangement for collecting used tips and for cleaning certain components of its pipetting device of specimen residue.