Method and apparatus for cellular telephone directory assistance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 27, 2007
Grant Date -
N/A
app pub date -
Feb 4, 2003
filing date -
Feb 4, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A directory assistance service for cellular telephone numbers, which may be used with the existing directory assistance infrastructure, queries an aggregated database of public cellular telephone listings for all cellular telephone service providers, queries each of the cellular service provider's directory services directly, or queries a proxy, which in turn queries each of the cellular service provider's databases.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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