Payphone management system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 20, 2004
Grant Date -
N/A
app pub date -
May 21, 2002
filing date -
Jul 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In one embodiment, a telephone system that includes a number of payphones intended for communication with servers via at least one communication network is disclosed. In one embodiment, the communication network includes a communication interface able to monitor communications between the said payphones and at least a first group of servers.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully