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:
Feb. 18, 2003
Filed:
Oct. 12, 1999
Kevin Durand, Harvard, MA (US);
Izrail Tsals, Sudbury, MA (US);
Craig Brodeur, Marlborough, MA (US);
Other;
Abstract
A stopper for use in preventing any volume of gas from escaping from a drug container when used in connection therewith. The stopper has a body having a perimeter for slidable engagement with the interior of a drug receptacle; an outer surface; and an inner surface facing the bottom of the drug receptacle, the inner surface shaped so as to trap any volume of gas located within the drug receptacle when the body is slidably engaged therein. The invention is further directed to a drug container having a hollow body for holding a liquid. The body has an open end and a closed end. The container also has a stopper slidably received in the hollow body, and a feature for entrapping any volume of gas within the container.