The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2009
Filed:
Jun. 10, 2002
Lauri Piikivi, Oulu, FI;
Lauri Piikivi, Oulu, FI;
Nokia Corporation, Espoo, FI;
Abstract
The invention relates to a method and arrangement for making electronic purchases. In the method according to the invention, a creditor () grants to a customer () a certificate provided with an electronic signature, and the customer stores said certificate in an electronic device (). In connection with a purchase transaction, the customer produces the certificate to an automatic service or goods vending machine (), which checks the certificate information. If the information is accepted, the desired purchase can be made, and the purchase information is saved in the memory of the vending machine (). The separate purchase information stored in the vending machine memory is transferred in one batch to the data system () of the creditor organization (), when a predetermined criterion is fulfilled.