Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate
2006-02-28
2006-02-28
Rosen, Nicholas D. (Department: 3625)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Secure transaction
C705S044000, C705S076000, C705S077000, C705S078000
Reexamination Certificate
active
07007000
ABSTRACT:
In a method of purchasing online, a client device of a customer communicates a purchase selection which is received by a vendor computer system. The vendor computer system, in response, communicates a cost of the purchase selection and fund confirmation address to the client device. The client device communicating a payment authorization for the cost that is received by a fund guardian. The fund guardian confirms the availability of sufficient funds to pay the cost. The vendor computer system communicates a fund confirmation address which is received by the fund guardian. When sufficient funds are available to pay the cost, the fund guardian communicates a fund confirmation to the fund confirmation address.
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AT&T Wireless Services Inc.
Klarquist & Sparkman, LLP
Rosen Nicholas D.
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