Security credit card
CA 1315822 C · Owner: Frankfurt, Robert · Inventors: Frankfurt, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An unique credit card which can be registered to the holder and is virtually as unique as a finger print. A preferred embodiment of the invention is a credit card comprising a plastic bse layer containing one or more distinctive gems retained thereto. Preferably the gem or gems are contained within receptacles in the plastic base layer. The distinctiveness of the gems can be recorded against the name of the proper holer, and fraudulent possession of the card detected.
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 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.
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.