Patent US3237164A successfully refreshed from Google Patents.
US3237164A
Expired / Lapsed
US
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Digital communication system for transferring digital information between a plurality of data processing devices
Assignee: Control Data Corp
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Filing: 1962-06-29
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Granted: 1966-02-22
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 David C Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
CPC Classifications
G; G06; G06F; G06F13/00; G06F13/38; G06F13/14; G06F13/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DIGITAL COMMUNICATIONS SYSTEM FOR TRANSFERRING INFORMATION REPRESENTED BY DIGITAL DATA SIGNALS BETWEEN A PLURALITY OF DATA-PROCESSING DEVICES, IN ACCORDANCE WITH INSTRUCTIONS REPRESENTED BY DIGITAL INSTRUCTION SIGNALS, COMPRISING: ACKNOWLEDGEMENT MEANS FOR EACH OF SAID DATA PROCESSING DEVICES FOR PROVIDING AN ACKNOWLEDGEMENT SIGNAL; CONTROL REGISTER MEANS FOR EACH OF SAID DATA-PROCESSING DEVICES, EACH FOR CONTROLLING THE OPERATION OF ONE OF SAID DATA-PROCESSING DEVICES AND ONE OF SAID ACKNOWLEDGEMENT MEANS FOR SAID ONE DATA-PROCESSING DEVICE; DECODING MEANS FOR EACH OF SAID DATA-PROCESSING DEVICES FOR SELECTIVELY REGISTERING SIGNALS IN SAID CONTROL
Claim 2
Dependent Claim
88 words
A DIGITAL COMMUNICATIONS SYSTEM FOR TRANSFERRING INFORMATION REPRESENTED BY DIGITAL DATA SIGNALS BETWEEN A PLURALITY OF DATA-PROCESSING DEVICES, IN ACCORDANCE WITH INSTRUCTIONS REPRESENTED BY DIGITAL INSTRUCTION SIGNALS, COMPRISING: ACKNOWLEDGEMENT MEANS FOR EACH OF SAID DATA PROCESSING DEVICES FOR PROVIDING AN ACKNOWLEDGEMENT SIGNAL; CONTROL REGISTER MEANS FOR EACH OF SAID DATA-PROCESSING DEVICES, EACH FOR CONTROLLING THE OPERATION OF ONE OF SAID DATA-PROCESSING DEVICES AND ONE OF SAID ACKNOWLEDGEMENT MEANS FOR SAID ONE DATA-PROCESSING DEVICE; DECODING MEANS FOR EACH OF SAID DATA-PROCESSING DEVICES FOR SELECTIVELY REGISTERING SIGNALS IN SAID CONTROL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |