Collapsible needle cover
CA 1329084 C · Owner: Foster, Clark B. · Inventors: Foster, Clark B.; Haber, Terry M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safety enhancing, relatively low-cost needle cover, which is integrally bonded to a disposable needle cannula of a hypodermic syringe and adapted to eliminate the handling and/or destruction of the needle after use. The needle cover comprises distally and proximally oriented pairs of needle cover segments which are hingedly interconnected and pivotable relative to one another. The needle cover is collapsible from an open, expanded configuration, with locking fingers thereof engaging and retaining the cannula in an armed state for administering an injection of the fluid contents of the syringe, to a closed, generally planar configuration with the, cannula biased in a shielded state …
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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.