US3317898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory system
Assignee: International Business Machines Corp
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Filing: 1963-07-19
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Granted: 1967-05-02
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hellerman Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G11; G11C; G11C15/00; G11C15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN APPARATUS COMPRISING, IN COMBINATION: AN ADDRESSABLE MAIN MEMORY FOR STORING INFORMATION AT LOCATIONS CORRESPONDING TO A MAIN MEMORY ADDRESSING SCHEME; A PLURALITY OF PROCESSORS, EACH HAVING A PROGRAM IDENTIFIER AND EACH CAPABLE OF ACCESSING INFORMATION STORED IN THE ADDRESSABLE MEMORY ACCORDING TO A PSEUDOADDRESSING SCHEME THAT IS INDEPENDENT OF THE PSEUDOADDRESSING SCHEME SPECIFIED BY EACH OF THE OTHER PROCESSORS; AND A DIRECTORY MEMORY FOR CONVERTING THE PROGRAM IDENTIFIERS, ADDRESSES IN THE INDEPENDENT PSEUDO-ADDRESSING SCHEMES USED IN THE PROCESSORS INTO ADDRESSES IN THE MAIN MEMORY ADDRESSING SCHEME.
Claim 2
Independent Claim
87 words
AN APPARATUS COMPRISING, IN COMBINATION: AN ADDRESSABLE MAIN MEMORY FOR STORING INFORMATION AT LOCATIONS CORRESPONDING TO A MAIN MEMORY ADDRESSING SCHEME; A PLURALITY OF PROCESSORS, EACH HAVING A PROGRAM IDENTIFIER AND EACH CAPABLE OF ACCESSING INFORMATION STORED IN THE ADDRESSABLE MEMORY ACCORDING TO A PSEUDOADDRESSING SCHEME THAT IS INDEPENDENT OF THE PSEUDOADDRESSING SCHEME SPECIFIED BY EACH OF THE OTHER PROCESSORS; AND A DIRECTORY MEMORY FOR CONVERTING THE PROGRAM IDENTIFIERS, ADDRESSES IN THE INDEPENDENT PSEUDO-ADDRESSING SCHEMES USED IN THE PROCESSORS INTO ADDRESSES IN THE MAIN MEMORY ADDRESSING SCHEME.
References Cited (Backward Citations)
US3200380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |