Card-operated telephone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 7, 1989
Issued Date -
N/A
app pub date -
Jun 28, 1988
filing date -
Jul 10, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telephone of the type that employs a magnetic card having a certain value or worth recorded thereon, and which permits a user to cummunicate by the telephone within the limits of the remaining value of the card, records a dialed number on the card when the card is used a first time, and automatically dials the recorded number when the card is subsequently used.
First Claim
Family
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Cited Art Landscape
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