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:
May. 03, 1983
Filed:
Jul. 16, 1981
Applicant:
Inventor:
Herman Margulies, South Orange, NJ (US);
Assignee:
Sterling Drug Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604202 ; 604232 ; 604244 ; 604900 ;
Abstract
The slidable piston closing the upper end of cartridge ampoules of the type used in hypodermic syringes is provided with a deformable section which, on forward and backward flexing, generates self-aspiration in the ampoule.