Computer controlled rental and sale system and method for a supermarket and the like
CA 1281816 C · Owner: De Prins, Maurits Leon · Inventors: De Prins, Maurits Leon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A computer controlled rental and sales system and method for a supermarket and the like allows a customer to purchase or rent items from a locked cabinet without the intervention of store personnel. The authorized customer first inputs a membership card and a secret number. If these are correct the system un-, locks the locked cabinets whereby the customer is allowed to, examine all of the contents in the unlocked cabinet at his or her leisure. The computer continously monitors the removal of all items from the unlocked cabinet. The customer reads in identifying information from each of the selected items. The computer prevents the cabinet from being relocked unless the number of items that …
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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2008.
- 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.