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:
Dec. 03, 1991
Filed:
Sep. 06, 1990
Applicant:
Inventors:
Helmut Vetter, Ravensburg, DE;
Peter Geprags, Weingarten, DE;
Assignee:
Arzneimittel GmbH Apotheker Vetter & Co., Ravensburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604243 ; 604 82 ; 604218 ;
Abstract
A hypodermic syringe has a generally cylindrically tubular body extending along an axis and having an axial front end formed with a radially outwardly projecting annular bead, a piston axially displaceable in the body, a plug having a rearwardly directed flange fitting complementarily over the front end of the body at the bead and forwardly blocking the body, and a flat soft seal ring compressed axially between the plug and the front end of the body. The body has a rear end provided with a finger-rest crosspiece and the piston is provided with a plunger projecting axially out the rear end past the crosspiece.