Automatically testing telephone lines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 17, 1991
Grant Date -
N/A
app pub date -
Oct 10, 1990
filing date -
Oct 10, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of testing a telephone line including installing a test call unit at an end of the telephone line at which a customer's equipment is connected, automatically initiating a telephone line test at the module, performing the telephone line test, and transmitting the results of the line test over the telephone line.
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