Method and apparatus for authorizing use of cellular telephone units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 25, 2003
Grant Date -
N/A
app pub date -
Sep 15, 2000
filing date -
Sep 15, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A computer implemented service transmits authorization codes for cellular service by way of a network connection with a user system. The user can purchase additional activation time for an already active pre-paid service. The user can also convert a previously purchased coded card to an authorization code by interacting with the service.
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Family
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Cited Art Landscape
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