Expired Canadian patentCanada
Metal platelet compound
CA 1324494 C · Owner: Poll, Martin · Inventors: Poll, Martin
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A metal platelet compound comprising adjacent circular platelets that are chained together and each have a conical depression having a hole at the apex for taking up a gem. The conical depression may also have a pouchlike extension at the apex.
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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 1989
GrantedNovember 23, 1993
Term endedNovember 23, 2010
Patent numberCA 1324494 C
Classification (IPC)A44C17/02
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.