COLONIAL DATA TECHNOLOGIES CORP.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 15, 1997 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 94 Total Citation Count
- Jun 25, 1990 Earliest Filing
- 1 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5649002 Method and apparatus for detecting a telephone CPE alerting signalDec 13, 94Jul 15, 97[H04M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5228080 Method and apparatus for processing an incoming telephone call signal which may include a data messageExpiredJun 25, 90Jul 13, 93[H04M]
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