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:
Sep. 06, 1994
Filed:
Jun. 14, 1993
Applicant:
Inventors:
James F Ennis, III, Preston, CT (US);
Sylvan L Johnson, Woodville, WI (US);
Assignee:
Genesis Industries Inc., Elmwood, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604210 ; 604187 ; 604208 ;
Abstract
A syringe for controlling the amount of material or medical fluid in a syringe body which is expelled therefrom upon depression of a plunger in the syringe body. The syringe includes a syringe body having a chamber and a discharge end portion and an open opposite end portion, with a plunger received in the syringe body. A measuring ring having an inner thread in mesh with an outer thread on the plunger, with latch means for setting and holding the measuring ring and plunger and thus, permit an exact volume to be expelled from said chamber.