US5455407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic-monetary system
Assignee: Citibank NA
•
Filing: 1995-01-27
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Granted: 1995-10-03
•
Expires: 2015-01-27
Abstract
Abstract An improved monetary system using electronic media to exchange economic value securely and reliably. The invention provides a complete monetary system having electronic money that is interchangeable with conventional paper money comprising (1) issuing banks or financial institutions that are coupled to a money generator device for generating and issuing to subscribing customers electronic money including electronic currency backed by demand deposits, or electronic credit authorizations; (2) correspondent banks that accept and distribute the electronic money; (3) a plurality of transaction devices that are used by subscribers for storing electronic money, for performing money transactions with the on-line systems of the participating banks or for exchanging electronic money with other like transaction devices; (4) teller devices, associated with the issuing and correspondent banks, for process handling and interfacing the transaction devices to the issuing and correspondent banks, and for interfacing between the issuing and correspondent banks themselves; (5) a security arrangement for maintaining the integrity of the system; and (6) reconciliation and clearing processes to monitor and balance the monetary system.
Inventors
- 👤 Sholom S. Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:38
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06Q; G06Q20/00; G06Q20/02; G06Q20/04; G06Q20/06; G06Q20/08; G06Q20/10; G06Q20/108; G06Q20/1085; G06Q20/22; G06Q20/26; G06Q20/29; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/36; G06Q20/367; G06Q20/3674; G06Q20/3676; G06Q20/3678; G06Q20/38; G06Q20/381; G06Q20/40; G06Q40/00; G06Q40/02; G07F19/00; G07F19/20; G07F19/211; G07F7/0806; G07F7/0813; G07F7/082
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
191 words
An electronic monetary system comprising: an issuing bank having a first on-line accounting system; electronic representations of money that are credited in said first on-line accounting system as current liabilities of said issuing bank; a money generator module that generates said electronic representations of money; a first teller module, associated with said issuing bank, that stores said electronic representations of money; a plurality of correspondent banks, each having a second on-line accounting system and each maintaining an account at said issuing bank; a plurality of second teller modules, each associated with one of said correspondent banks, that each store said electronic representations of money; a transaction module that stores said electronic representations of money, performs on-line transactions with said plurality of correspondent banks, and exchanges said electronic representations of money with other transaction modules in off-line transactions; where said first teller module has a first processor that intermediates transactions among said first on-line accounting system, said money generator module, and said second teller module; and where said second teller module has a second processor that intermediates transactions among said second on-line accounting system, said first teller module, and said transaction module.
Claim 2
Dependent Claim
191 words
An electronic monetary system comprising: an issuing bank having a first on-line accounting system; electronic representations of money that are credited in said first on-line accounting system as current liabilities of said issuing bank; a money generator module that generates said electronic representations of money; a first teller module, associated with said issuing bank, that stores said electronic representations of money; a plurality of correspondent banks, each having a second on-line accounting system and each maintaining an account at said issuing bank; a plurality of second teller modules, each associated with one of said correspondent banks, that each store said electronic representations of money; a transaction module that stores said electronic representations of money, performs on-line transactions with said plurality of correspondent banks, and exchanges said electronic representations of money with other transaction modules in off-line transactions; where said first teller module has a first processor that intermediates transactions among said first on-line accounting system, said money generator module, and said second teller module; and where said second teller module has a second processor that intermediates transactions among said second on-line accounting system, said first teller module, and said transaction module.
Claim 3
Dependent Claim
82 words
A time-based transaction module transfer system, comprising: a plurality of tamper-proof electronic transaction modules each having a memory that stores electronic notes that include an expiration date, a clock that maintains a system time, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic notes, where said processor is further adapted not to permit a transfer of said electronic notes between said transaction modules if said transfer would occur after said expiration date of said electronic notes.
Claim 4
Dependent Claim
82 words
A time-based transaction module transfer system, comprising: a plurality of tamper-proof electronic transaction modules each having a memory that stores electronic notes that include an expiration date, a clock that maintains a system time, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic notes, where said processor is further adapted not to permit a transfer of said electronic notes between said transaction modules if said transfer would occur after said expiration date of said electronic notes.
Claim 5
Dependent Claim
29 words
The system of claim 2, wherein said electronic notes are electronic representations of currency that are credited as current liabilities in an on-line accounting system of an issuing bank.
Claim 6
Dependent Claim
29 words
The system of claim 3, wherein said electronic representations of currency stored in said transaction module are updated when transacting with an electronic monetary system including said issuing bank.
Claim 7
Dependent Claim
35 words
The system of claim 2, wherein said electronic notes are electronic credit authorizations that are drawn on a subscriber's loan account in an on-line accounting system so as to reduce said subscriber's available credit line.
Claim 8
Dependent Claim
69 words
A transaction module transfer system, comprising: a plurality of tamper-proof electronic transaction modules each having a memory that stores electronic notes that include a transfer record having a transferred monetary value, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic notes, where said processor is further adapted to generate said transfer record and append said transfer record to said electronic notes upon transfer.
Claim 9
Dependent Claim
69 words
A transaction module transfer system, comprising: a plurality of tamper-proof electronic transaction modules each having a memory that stores electronic notes that include a transfer record having a transferred monetary value, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic notes, where said processor is further adapted to generate said transfer record and append said transfer record to said electronic notes upon transfer.
Claim 10
Dependent Claim
29 words
The system of claim 6, wherein said electronic notes are electronic representations of currency that are credited as current liabilities in an on-line accounting system of an issuing bank.
Claim 11
Dependent Claim
35 words
The system of claim 6, wherein said electronic notes are electronic credit authorizations that are drawn on a subscriber's loan account in an on-line accounting system so as to reduce said subscriber's available credit line.
Claim 12
Dependent Claim
108 words
A transaction module based monetary transaction system, comprising: a security server that implements the security of said monetary transaction system; a plurality of tamper-proof electronic transaction modules each having a unique module identifier contained within a time-limited certificate that is digitally signed by said security server, a clock that maintains a system time, a memory that stores electronic representations of money, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic representations of money; and wherein said processor is further adapted not to allow a transaction module having an expired certificate to transact with other transaction modules until a new certificate is obtained.
Claim 13
Dependent Claim
108 words
A transaction module based monetary transaction system, comprising: a security server that implements the security of said monetary transaction system; a plurality of tamper-proof electronic transaction modules each having a unique module identifier contained within a time-limited certificate that is digitally signed by said security server, a clock that maintains a system time, a memory that stores electronic representations of money, a processor adapted to provide a cryptographically secure channel for transferring and receiving said electronic representations of money; and wherein said processor is further adapted not to allow a transaction module having an expired certificate to transact with other transaction modules until a new certificate is obtained.
References Cited (Backward Citations)
US3559175A
Cited
US3573747A
Cited
US3852571A
Cited
US3749887A
Cited
US3906460A
Cited
US3932730A
Cited
US3971916A
Cited
US4007355A
Cited
US3937925A
Cited
US3934122A
Cited
US4053735A
Cited
US4120452A
Cited
US4001550A
Cited
US4001550B1
Cited
US4179064A
Cited
US4256955A
Cited
US4224666A
Cited
US4270042A
Cited
US4218582A
Cited
US4405829A
Cited
US4277837A
Cited
US4214230A
Cited
US4172552A
Cited
US4320387A
Cited
US4460965A
Cited
US4442345A
Cited
US4321672A
Cited
US4302810A
Cited
US4305059A
Cited
US4529870A
Cited
US4467139A
Cited
US4523297A
Cited
US4341951A
Cited
US4404649B1
Cited
US4404649A
Cited
US4498000A
Cited
US4523087A
Cited
US4511970A
Cited
US4443027A
Cited
US4453074A
Cited
US4667088A
Cited
WO1983003018A1
Cited
US4454414A
Cited
US4549075A
Cited
US4673802A
Cited
US4906828A
Cited
US4536647A
Cited
US4926480A
Cited
US4625276A
Cited
US4629872A
Cited
US4630201A
Cited
US4705211A
Cited
US4722055A
Cited
US4642768A
Cited
US4752877A
Cited
US4736094A
Cited
US4751640A
Cited
EP0172670A2
Cited
US4727243A
Cited
US4614861A
Cited
US4689478A
Cited
US4634845A
Cited
US4650978A
Cited
US4697073A
Cited
US4766539A
Cited
US4692601A
Cited
US4767920A
Cited
US4727244A
Cited
US4734568A
Cited
US4759064A
Cited
US4752676A
Cited
US4825052A
Cited
US4757185A
Cited
US4742215A
Cited
US4823264A
Cited
US4827112A
Cited
US4748668A
Cited
US4839504A
Cited
US4877947A
Cited
US4799156A
Cited
US4750119A
Cited
US4968873A
Cited
US4837422A
Cited
US4962530A
Cited
US4914698A
Cited
US4987593A
Cited
US4995081A
Cited
US4879747A
Cited
US4973828A
Cited
US4992646A
Cited
US4985833A
Cited
US4949380A
Cited
US4977595A
Cited
EP0391261B1
Cited
US4991210A
Cited
US4996711A
Cited
US4964164A
Cited
EP0421808B1
Cited
US5191193A
Cited
WO1991016691A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-10-02 | 1999-04-03 | 1999-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-10-02 | 2003-04-03 | 2003-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-10-02 | 2007-04-03 | 2007-10-03 | $7700.00 | Window Closed / Lapsed |