Patent Yard Sign in
Expired Canadian patentCanada

Disposable syringe for needleless injector

CA 1196244 A · Owner: Advanced Medical Technologies Inc. · Inventors: Grunwald, Raymond M.; Lindmayer, Istvan

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A disposable syringe for use in a needleless hypodermic injector includes a transparent, plastic barrel with an injection orifice in a closed front end thereof and an open rear end for receiving a plunger. The barrel is filled with medicine using a needle, which may be integral with the barrel by partially withdrawing the plunger from the barrel to suck medicine through the injection orifice. The barrel and plunger are placed in an injector and the injector is actuated to push the plunger into the barrel, discharging the medicine. Alternatively the syringe is filled with medicine while in an injector of the type which includes a removable injection head and a removable charging or filling …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted November 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 13, 1983
GrantedNovember 5, 1985
Term endedNovember 5, 2002
Patent numberCA 1196244 A
Classification (IPC)A61M5/30

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 13, 1983Patent grantedNov 5, 1985Term endedNov 5, 2002

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.