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:
Jul. 21, 1998
Filed:
Apr. 30, 1997
Applicant:
Inventors:
Allen Reichler, Livingston, TX (US);
Raymond Cracauer, Plymouth, MN (US);
Assignee:
Becton Dickinson and Company, Franklin Lakes, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
4352861 ; 4352866 ; 4353031 ; 435809 ;
Abstract
A forced air heating apparatus for providing automatic cyclical heating and cooling of biological samples includes a housing and a heating chamber within the housing. The heating chamber supports a biological sample tray for supporting a plurality of sample containers. A heating device and an impeller are provided to heat the heating chamber and to direct heated air over the sample containers. The heating chamber is sealed to prevent escape of materials and includes a vent coupled to a filter to maintain ambient pressure in the heating chamber and trap particulate materials passing through the vent.