Patent · US Expired

Electronic transaction processing system with escrow card

US6223169A · kind A · utility

7Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1997
Grant dateApr 24, 2001
Priority date
Expiry dateDec 15, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06Q20/363
  • WIPO fieldIT methods for management
  • WIPO sectorElectrical engineering

Abstract

An electronic transaction processing system for transferring a monetary value between a payer and a receiver includes a first memory apparatus storing a payer's digital cash, a second memory apparatus storing a receiver's digital cash, and a third memory apparatus storing temporarily the payer's digital cash transferred from the first memory apparatus. A transaction is processed by transferring the digital cash transferred from the first memory apparatus to the second memory apparatus via the third memory apparatus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.