Patent EP0572991B1 successfully refreshed from Google Patents.
EP0572991B1
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EP
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A method of processing prepaid telephone calls
Assignee: Individual
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Filing: 1993-06-02
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Granted: 1996-10-30
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Expires: 2013-06-02
Abstract
Abstract A method of processing prepaid telephone calls from ordinary telephone sets using secret code numbers marked on cards available for purchasing by the public, thus replacing the coin/magnetic-cards/credit-cards based system.
Inventors
- 👤 Shmuel Fromer
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 18:01
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/347; G07F17/00; G07F17/0014; G07F7/1025; G07F7/1075; H; H04; H04M; H04M17/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
150 words
A method of processing prepaid telephone calls, particularly for use in connection with public telephones, comprising the steps of - (a) programming a respective Public Automatic Branch exchange (PABX) to become toll-free accessible for incoming calls through dialling any one out of a series of predetermined numbers stored in a data-bank of the PABX; (b) enabling a calling party to complete a connection with a called party; (c) cutting-off the said connection after a prefixed time/counter pulses interval; (d) erasing from the data-bank any number that had once been dialled; (e) marking the said series of numbers, each on a vendible carrier member in an invisible - however readily exposable - manner; and (f) offering the vendible carrier members for sale to the general public, so that purchasers of the carrier members, after exposing the respective number, are enabled to place a call for the duration of the said interval.
Claim 2
Dependent Claim
19 words
The method of Claim 1 further comprising the step of first dialling a toll-free access number of the PABX.
Claim 3
Dependent Claim
19 words
The method of Claim 1 wherein remaining amounts of the said interval are currently displayed to the calling party.
Claim 4
Dependent Claim
32 words
The method of Claim 3 wherein a remaining amount of an interval, at the end of an outgoing call, is creditable to a selected subscriber account by further dialling its telephone number.
Claim 5
Dependent Claim
32 words
The method of Claim 1 wherein the said vendible carrier members are in the form of cards, said number being imprinted thereon and covered by a layer of a removable, opaque coating.
Claim 6
Dependent Claim
22 words
The method of Claim 1 wherein the said vendible carrier members are in the form of cards placed in a sealed envelope.
References Cited (Backward Citations)
No citation records indexed.
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