Invoice Issuing System and Invoice Issuing Method
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
Jul 2, 2013
filing date -
Jul 4, 2012
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A delivery server includes: a receiving unit for receiving, from a mobile terminal, a request for a reading process of a gas meter as a meter target; a calculation unit for performing a meter reading process according to the request to calculate the gas fee for a customer in the current meter reading month; a payment situation check unit for checking, from the payment situation of the storage unit, the gas fee payment situation for the customer prior to the current meter reading month based on the request, and reading the unpaid gas fee from the management unit, when the gas fee is unpaid; an issuing unit for issuing invoice information including the gas fee in the current meter reading month and the unpaid gas fee; and a transmission unit for transmitting the invoice information to the mobile terminal.
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