Clasp
CA 1263219 C · Owner: Randall, Pamela Margaret · Inventors: Randall, Pamela Margaret
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The clasp of the invention is of the kind comprising a clasp part and, for engagement therewith a com-, plementary link member; said clasp part comprising a body formed with a labyrinthine invagination open at a surface of the body to permit said member to be passed thereinto to lodge therein remote from the mouth of the invagination with part of said member lying externally of the body; the labyrinth being dimensioned so that with said member, and the clasp part in operative positions said member, can be removed from the clasp part only by a relative movement which first entails a change in their relative orientation.
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 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- 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.