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:
May. 12, 1981
Filed:
Mar. 12, 1979
Applicant:
Inventor:
David G Dickinson, Glendale, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ;
U.S. Cl.
CPC ...
417 63 ; 417360 ; 417420 ;
Abstract
A laboratory pump for use with and in combination with a magnetic stirrer drive wherein a magnet field is revolved over a table upon which the pump is placed, said pump being comprised of manually press fitted elements establishing a viewable primer chamber accessible through a transparent cover for filling, and a submersible impeller chamber of circular form in which an impeller spins in equilibrium responsive to said revolving field, there being a central inlet into and a tangential outlet from the impeller chamber.