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:
Aug. 21, 1990
Filed:
Nov. 01, 1988
Applicant:
Inventors:
Paul Henault, Clermont-Ferrand, FR;
Carleton H Macartney, Lincroft, NJ (US);
Gilbert Lataix, Chatel-Guyon, FR;
Ronald G Saffron, Salisbury, GB;
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 82 ; 604 91 ; 604416 ; 222420 ; 222510 ; 222215 ; 222153 ; 222145 ;
Abstract
A dual chambered vial is equipt with a dislodgeable stopper device between the two chambers, whereby components of a mixture may be maintained in separate chambers until comingling is desired. The stopper is dislodged by means of a plunger activated by depression of flexible walls of one chamber.