Secure money transfer techniques using hierarchical arrangement of smart cards

• US H001,794 H1
• Filed: 10/24/1997
• Issued: 04/06/1999
• Est. Priority Date: 10/24/1997
• Status: Expired due to Term

• Current Assignee: David Michael Claus
• Original Assignee: David Michael Claus
• Inventors: Claus, David Michael
• Primary Examiner(s): Pihulic, Daniel T.
• Application Number:
  US08/959,290
• Publication Number:
  US H001,794 H1
• Time in Patent Office: 529 Days
• Field of Search: 235/380, 235/492, 235/379, 902/26, 902/1, 902/2, 902/4, 380/21, 380/22, 380/24
• US Class Current: 235/380
• CPC Class Codes: N/A

Claims