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:
Oct. 26, 1993
Filed:
Jan. 31, 1992
Applicant:
Inventors:
Richard T Liebert, Ballston Spa, NY (US);
Neil H Brown, Nassau, NY (US);
Randy E Armbruster, Rochester, NY (US);
Thomas M Pack, Lower Gwynedd, PA (US);
Assignee:
Sterling Winthrop, Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604199 ;
Abstract
Disclosed is a pre-filled plastic syringe containing a liquid product for terminal sterilization comprising: a syringe barrel equipped with a one-way valve and a slidable plunger to equalize pressure differentials; a filter engaging the one way valve to prevent backward migration of viruses and bacteria; an end cap covering the open end of the barrel to maintain sterility; and an end cap restraining device to prevent plunger blow-out.