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US5799087A Expired / Lapsed US ⏱️ 0.0 years remaining

Electronic-monetary system

Assignee: Citibank NA
•
Filing: 1995-04-21
•
Granted: 1998-08-25
•
Expires: 2015-04-21
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Abstract

Abstract An electronic-monetary system having (1) 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 and 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 in off-line transactions; (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 clearing bank for balancing the electronic money accounts of the different issuing banks; (6) a data communications network for providing communications services to all components of the system; and (7) a security arrangement for maintaining the integrity of the system, and for detecting counterfeiting and tampering within the system. An embodiment of the invention includes a customer service module which handles lost money claims and links accounts to money modules for providing bank access.

Inventors

  • 👤 Sholom S. Rosen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:12
CPC Classifications
G; G06; G06Q; G06Q20/00; G06Q20/02; G06Q20/04; G06Q20/06; G06Q20/08; G06Q20/10; G06Q20/105; G06Q20/12; G06Q20/22; G06Q20/26; G06Q20/30; G06Q20/36; G06Q20/367; G06Q20/3674; G06Q20/3676; G06Q20/3678; G06Q20/38; G06Q20/382; G06Q20/3821; G06Q20/40; G06Q20/401; G06Q30/00; G06Q30/06; G06Q40/00; G06Q40/02; G07; G07F; G07F17/00; G07F17/16; G07F7/00; G07F7/08; G07F7/0866; H; H04; H04L; H04L63/00; H04L63/08; H04L63/0823; H04L63/12; H04L63/123; H04L9/00; H04L9/08; H04L9/0891; H04L9/32; H04L9/3263; H04L2209/00; H04L2209/56

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 133 words
A system for transferring electronic notes between electronic modules comprising: electronic modules each having a processor, a memory, and the capability to create a cryptographically secure channel and transfer and receive electronic notes via said cryptographically secure channel, and where each electronic module stores said electronic notes in its respective said memory; wherein each stored electronic note comprises: a body group of data fields including data indicative of a monetary value associated with said electronic note; a transfer group of data fields including a list of transfer records, where each transfer record is generated by a transferor electronic module and includes a sequence number that distinguishes a transferred electronic note from one or more other transferred electronic notes transferred from a common said transferor electronic module and generated from a common electronic note.
Claim 2
Independent Claim 133 words
A system for transferring electronic notes between electronic modules comprising: electronic modules each having a processor, a memory, and the capability to create a cryptographically secure channel and transfer and receive electronic notes via said cryptographically secure channel, and where each electronic module stores said electronic notes in its respective said memory; wherein each stored electronic note comprises: a body group of data fields including data indicative of a monetary value associated with said electronic note; a transfer group of data fields including a list of transfer records, where each transfer record is generated by a transferor electronic module and includes a sequence number that distinguishes a transferred electronic note from one or more other transferred electronic notes transferred from a common said transferor electronic module and generated from a common electronic note.
Claim 3
Dependent Claim 29 words
The system of claim 1, wherein said monetary value is an original monetary value associated with said electronic note, and said transfer records further include a transferred monetary value.
Claim 4
Dependent Claim 21 words
The system according to claim 1, wherein said list of transfer records is capable of containing a plurality of transfer records.
Claim 5
Dependent Claim 32 words
The system according to claim 1, wherein said list of transfer records includes a plurality of transfer records, whereby each said transfer record is generated by a corresponding said transferor electronic module.
Claim 6
Independent Claim 110 words
A method for transferring electronic notes between processor-based electronic modules, comprising the steps of: establishing a cryptographically secure session between a transferor electronic module and a transferee electronic module; creating a transfer electronic note by appending a transfer record to an electronic note stored in said transferor electronic module, where said transfer record indicates whether all or some portion of a monetary amount of said electronic note is being transferred; transferring said transfer electronic note from said transferor electronic module to said transferee electronic module; and wherein said transfer record includes a sequence number that distinguishes said transfer electronic note from another transfer electronic note from said transferor electronic module.
Claim 7
Independent Claim 110 words
A method for transferring electronic notes between processor-based electronic modules, comprising the steps of: establishing a cryptographically secure session between a transferor electronic module and a transferee electronic module; creating a transfer electronic note by appending a transfer record to an electronic note stored in said transferor electronic module, where said transfer record indicates whether all or some portion of a monetary amount of said electronic note is being transferred; transferring said transfer electronic note from said transferor electronic module to said transferee electronic module; and wherein said transfer record includes a sequence number that distinguishes said transfer electronic note from another transfer electronic note from said transferor electronic module.
Claim 8
Dependent Claim 41 words
The method according to claim 5, wherein said electronic note, prior to appending said transfer record, includes another transfer record having another sequence number, said another transfer record corresponding to said electronic note being previously transferred to said transferor electronic module.
Claim 9
Independent Claim 238 words
A method for transferring electronic notes of a predetermined total monetary value from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module selecting one or more electronic notes from which to provide said predetermined total monetary value; (b) said transferor money module creating one or more transfer electronic notes by appending a respective transfer record and digital signature of said transferor money module to each said one or more electronic notes, where for each said one or more transfer electronic notes said respective transfer record indicates whether all or some portion of a monetary amount of said one or more electronic notes is being transferred; (c) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (d) said transferee money module verifying the validity of said one or more transfer electronic notes; (e) said transferee money module storing information for each of said one or more electronic notes; and wherein step (d) includes, for each transfer note of said one or more transfer notes, the steps of checking note information stored in said transferee money module, said note information representing other notes previously transferred to or by said transferee money module, for matches to said transfer note, and checking for note duplication by analyzing a representation of a note transfer tree based on the matches identified to said transfer note.
Claim 10
Independent Claim 238 words
A method for transferring electronic notes of a predetermined total monetary value from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module selecting one or more electronic notes from which to provide said predetermined total monetary value; (b) said transferor money module creating one or more transfer electronic notes by appending a respective transfer record and digital signature of said transferor money module to each said one or more electronic notes, where for each said one or more transfer electronic notes said respective transfer record indicates whether all or some portion of a monetary amount of said one or more electronic notes is being transferred; (c) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (d) said transferee money module verifying the validity of said one or more transfer electronic notes; (e) said transferee money module storing information for each of said one or more electronic notes; and wherein step (d) includes, for each transfer note of said one or more transfer notes, the steps of checking note information stored in said transferee money module, said note information representing other notes previously transferred to or by said transferee money module, for matches to said transfer note, and checking for note duplication by analyzing a representation of a note transfer tree based on the matches identified to said transfer note.
Claim 11
Dependent Claim 36 words
The method of claim 7, wherein said transfer record includes a sequence identification number, wherein for each one of said one or more electronic notes said sequence identification number distinguishes all transfer electronic notes generated therefrom.
Claim 12
Dependent Claim 65 words
The method of claim 7, wherein for each transfer electronic note of said one or more transfer electronic notes, step (d) includes the step of checking said transfer record and all other transfer records appended by other transferor money modules to confirm that for each transfer a monetary amount was transferred which is not greater than the monetary value transferred in an immediately precedent transfer.
Claim 13
Dependent Claim 53 words
The method of claim 7, wherein each transfer electronic note of said one or more transfer electronic notes includes digital signatures and certificates of each transferor money module over the history of said transfer electronic note; wherein step (d) further comprises the step of verifying the validity of each digital signature and certificate.
Claim 14
Dependent Claim 47 words
The method of claim 7, wherein each of said one or more transfer electronic notes includes an expiration date; and where said transferee money module is a transaction money module, step (d) further comprises the step of said transferee money module verifying each electronic note's expiration date.
Claim 15
Dependent Claim 121 words
The method of claim 7, wherein said electronic note is an electronic representation of currency having an expiration date and a monetary value; wherein step (a) includes the step of: (a) said transferor money module determining all possible alternatives for providing the predetermined total monetary value and using a minimum number of electronic notes; (b) determining which set of said all possible alternatives includes a least number of transfers; and (c) where said set includes more than one element, selecting an element of said set which includes a minimum number of monetary-unit-days summed over all notes of the element, wherein monetary-unit-days represents a product of number of days until the electronic note's expiration date and the electronic note's residual monetary value.
Claim 16
Dependent Claim 26 words
The method according to claim 7, wherein step (d) includes said transferee money module verifying that said predetermined monetary value transferred corresponds to an expected value.
Claim 17
Independent Claim 263 words
A method for transferring electronic notes of a predetermined total monetary value from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module selecting one or more electronic notes from which to provide said predetermined total monetary value; (b) said transferor money module creating one or more transfer electronic notes by appending a respective transfer record and digital signature of said transferor money module to each said one or more electronic notes, where for each said one or more transfer electronic notes said respective transfer record indicates whether all or some portion of a monetary amount of said one or more electronic notes is being transferred; (c) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (d) said transferee money module verifying the validity of said one or more transfer electronic notes; (e) said transferee money module storing said one or more transfer electronic notes in a note directory; wherein each transfer electronic note of said one or more transfer electronic notes includes digital signatures and certificates of each transferor money module over the history of said transfer electronic note, each of said certificates includes a unique identifier identifying the associated transferor money module, and wherein said transfer record includes said unique identifier of the transferee electronic module; and wherein step (d) further comprises the step of checking that said unique identifier of said transfer record corresponds to said unique identifier in said certificate for each successive transfer over said history of said electronic note.
Claim 18
Independent Claim 263 words
A method for transferring electronic notes of a predetermined total monetary value from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module selecting one or more electronic notes from which to provide said predetermined total monetary value; (b) said transferor money module creating one or more transfer electronic notes by appending a respective transfer record and digital signature of said transferor money module to each said one or more electronic notes, where for each said one or more transfer electronic notes said respective transfer record indicates whether all or some portion of a monetary amount of said one or more electronic notes is being transferred; (c) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (d) said transferee money module verifying the validity of said one or more transfer electronic notes; (e) said transferee money module storing said one or more transfer electronic notes in a note directory; wherein each transfer electronic note of said one or more transfer electronic notes includes digital signatures and certificates of each transferor money module over the history of said transfer electronic note, each of said certificates includes a unique identifier identifying the associated transferor money module, and wherein said transfer record includes said unique identifier of the transferee electronic module; and wherein step (d) further comprises the step of checking that said unique identifier of said transfer record corresponds to said unique identifier in said certificate for each successive transfer over said history of said electronic note.
Claim 19
Independent Claim 162 words
A method for transferring electronic notes from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module creating one by or more transfer electronic notes by appending a respective transfer record of said transferor money module to each said one or more electronic notes; (b) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (c) said transferee money module verifying the validity of said one or more transfer electronic notes; wherein each transfer electronic note of said one or more transfer electronic notes includes a unique identifier for each transferee money module over the history of said transfer electronic note; and wherein, where said transferee money module is a transaction money module, step (c) further comprises the step of checking whether each said unique identifier is on a list of unique identifiers for bad money modules that is stored in said transferee money module.
Claim 20
Independent Claim 162 words
A method for transferring electronic notes from a transferor money module to a transferee money module, said method comprising the steps of: (a) said transferor money module creating one by or more transfer electronic notes by appending a respective transfer record of said transferor money module to each said one or more electronic notes; (b) said transferor money module sending said one or more transfer electronic notes to said transferee money module; (c) said transferee money module verifying the validity of said one or more transfer electronic notes; wherein each transfer electronic note of said one or more transfer electronic notes includes a unique identifier for each transferee money module over the history of said transfer electronic note; and wherein, where said transferee money module is a transaction money module, step (c) further comprises the step of checking whether each said unique identifier is on a list of unique identifiers for bad money modules that is stored in said transferee money module.
Claim 21
Dependent Claim 16 words
The method according to claim 15, wherein said transferee money module is a transaction money module.
Claim 22
Dependent Claim 40 words
The method according to claim 15, wherein said step of said transferor money module creating one or more transfer electronic notes includes appending a respective digital signature of said transferor money module to each said one or more electronic notes.
Claim 23
Dependent Claim 40 words
The method according to claim 15, wherein for each said one or more transfer electronic notes said respective transfer record indicates whether all or some portion of a monetary amount of said one or more electronic notes is being transferred.

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
US4454414A Cited
US4549075A Cited
US4673802A Cited
US4906828A Cited
US4536647A Cited
US4926480A Cited
US4625276A Cited
US4629872A Cited
US4630201A Cited
US4575621A Cited
US4705211A Cited
US4722055A Cited
US4642768A Cited
US4752877A Cited
US4959788A Cited
US4736094A Cited
US4751640A Cited
US4727243A Cited
US4864109A Cited
US4614861A Cited
US4634845A Cited
US4689478A Cited
US4650978A Cited
US4697073A Cited
US4766539A Cited
US4692601A Cited
US4767920A Cited
US4727244A Cited
US4734568A Cited
US4759064A Cited
US4822984A Cited
US4752676A Cited
US4825052A Cited
US4757185A Cited
US4742215A Cited
US4823264A Cited
US4827112A Cited
US4766293A Cited
US4748668A Cited
US4839504A Cited
US4877947A Cited
US4799156A Cited
US4750119A Cited
US5162989A Cited
US4837422A Cited
US4968873A Cited
US4962530A Cited
US4941173A Cited
US5012076A Cited
US4914698A Cited
US4987593A Cited
US4995081A Cited
US4879747A Cited
US4992646A Cited
US4985833A Cited
US4949380A Cited
US4977595A Cited
US4991210A Cited
US4996711A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-08-24 2002-02-23 2002-08-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-08-24 2006-02-23 2006-08-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-08-24 2010-02-23 2010-08-25 $7700.00 Window Closed / Lapsed

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