Control Data Corporation
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 18, 1995 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 4,788 Total Citation Count
- Nov 07, 1977 Earliest Filing
- 138 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
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
5233686 Open systems software backplane architecture for federated execution of independent application programsSep 24, 91Aug 03, 93[G06F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5161986 Low inductance circuit apparatus with controlled impedance cross-unders and connector for connecting to backpanelsExpiredOct 15, 91Nov 10, 92[H01R]
5153882 Serial scan diagnostics apparatus and method for a memory deviceExpiredMar 29, 90Oct 06, 92[G01R]
5067106 Radiation detection and signal delay circuitry for protecting recorded dataExpiredSep 05, 89Nov 19, 91[G06F]
5027355 Logic circuit and design method for improved testabilityExpiredApr 14, 89Jun 25, 91[G06F, G01R]
4970643 Mechanism for lock-up free cache operation with a remote address translation unitExpiredMay 10, 88Nov 13, 90[G06F]
4958371 Method and apparatus for determining when a telephone handset is off-hookExpiredApr 19, 88Sep 18, 90[H04M]
4941119 Method and apparatus for predicting an overflow in an integer multiplyExpiredNov 30, 88Jul 10, 90[G06F]
4922184 Apparatus and process for the simultaneous continuity sensing of multiple circuitsExpiredAug 29, 88May 01, 90[G01R]
4912709 Flexible VLSI on-chip maintenance and test system with unit I/O cell designExpiredOct 23, 87Mar 27, 90[G01R]
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