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:
Sep. 19, 1989
Filed:
Oct. 06, 1986
John P DesRosier, Seattle, WA (US);
N Robert Ward, Jr, Seattle, WA (US);
BioControl Systems, Inc., Bothell, WA (US);
Abstract
A device is adapted for containing a volume of growth medium and employed for detection of gas produced by a microorganism or microorganisms putatively contained within a test sample and added to the growth medium, comprising a primary chamber, a dome defined by the top surface of the primary chamber and communicating therewith, the dome establishing a fluid level and adapted for collection of gas produced by a microorganism within the growth medium, and a fill section adjacent to and communicating with one end of the primary chamber, the fill section spaced apart from the dome and extending above the fluid level, and further defining an opening for the addition of a test sample. The device may be sealed by means of a removable closure. An apparatus also consists of an array of substantially identical devices is also disclosed. In addition, methods of using the device and apparatus for detecting and estimating numbers of microorganisms, and for analyzing samples putatively containing a microorganism, are described.