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:
Apr. 18, 2000
Filed:
Dec. 28, 1998
Applicant:
Inventor:
Ivan Gardos, Schrewsbury, MA (US);
Assignee:
Dispensing Technologies International Incorporated, Clinton, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67B / ;
U.S. Cl.
CPC ...
222-1 ; 222 63 ; 222333 ; 222390 ; 222644 ; 604255 ; 604224 ;
Abstract
A fluid dispenser wherein a fixed threaded shaft carries a moveable microprocessor-controlled electric drive motor integrally provided with a shaft extension carrying a plunger for directly contacting and compressing fluid in a syringe barrel to dispense the fluid in accordance with programmed shot volume increments (as small as 0.001 cc, for example) set in the microprocessor, and provided further with provision for the automatic refilling of the syringe barrel upon completion of the fluid dispensing by the plunger