US3706077A
Expired / Lapsed
US
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Multiprocessor type information processing system with control table usage indicator
Assignee: Fujitsu Ltd
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Filing: 1971-01-06
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Granted: 1972-12-12
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Expires: 1991-01-06
Abstract
Abstract AN INDICATOR INDICATES WHETHER A CONTROL TABLE UTILIZED IN THE EXECUTION OF A CONTROL PROGRAM IS BEING OCCUPIED BY A PROCESSOR, EACH OF A PLURALITY OF PROCESSORS BEING SUBJECT TO CONTROL PROGRAMS. EACH OF THE PROCESSORS INCLUDES A CONTROL FOR INITIALLY CHECKING THE INDICATION OF THE INDICATOR WHEN A PROCESSOR IS TO UTILIZE A CONTROL TABLE AND PERMITS THE UTILIZATION OF THE CONTROL TABLE WHEN THE CHECKING INDICATES THAT THE CONTROL TABLE IS NOT OCCUPIED BY ANOTHER PROCESSOR.
Inventors
- 👤 Takashi Mori
- 👤 Tatsuya Yoshikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:53
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |