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:
Mar. 04, 2025
Filed:
Mar. 10, 2020
Duoject Medical Systems Inc., Bromont, CA;
Mathieu Viens, Granby, CA;
Robert Liddell, Granby, CA;
DUOJECT MEDICAL SYSTEMS INC., Bromont, CA;
Abstract
A multi-dose dispenser comprising an inner housing () and an outer housing (), the inner housing () being movable within the outer housing () for a defined distance, a plunger rod () comprising a shaft () mounted within the inner housing (), the shaft () having a plurality of spaced apart teeth () formed on the shaft (), an actuator () located at one end of the shaft (), the inner housing () having at least one pawl () arranged to engage with the teeth (), a syringe () mounted interiorly of the inner housing (), the syringe () being arranged such that the shaft () engages with a plunger within the syringe (), and a spring member (), the spring member () being biased between the inner housing () and the outer housing ().