Patent US3292151A successfully refreshed from Google Patents.
US3292151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory expansion
Assignee: International Business Machines Corp
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Filing: 1962-06-04
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Granted: 1966-12-13
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Barnes
- 👤 James R Greaves
- 👤 Jerry L Toepfer
- 👤 Michael A Muscatell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/34; G06F9/342; G06F12/00; G06F12/02; G06F12/06; G06F12/0615; G06F12/0623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE COMBINATION COMPRISING: MEMORIES HAVING ADDRESSABLE LOCATIONS; A SOURCE OF INSTRUCTIONS OF TWO KINDS RESPECTIVELY CONSISTING OF A FIRST KIND OF INSTRUCTIONS EACH CONTAINING AN ADDRESS PORTION FOR ADDRESSING THE LOCATIONS IN AT LEAST ONE MEMORY AND ALSO CONTAINING AT TAG PORTION FOR DESIGNATING A SELECTION AMONG A SPECIFIED PLURALITY OF MEMORIES, AND A SECOND KIND OF INSTRUCTIONS EACH CONTAINING A MOMORY GROUP SELECTION PORTION; FIRST CONTROL MEANS, CONNECTED TO SAID MEMORIES AND TO SAID SOURCE, HAVING A GROUP SELECTION PORTION RESPONSIVE TO SAID MEMORY GROUP SELECTION PORTION IN EACH INSTRUCTION OF SAID SECOND KIND TO SPECIFY A PLURALITY OF MEMORIES; SECOND CONTROL MEANS, CONNECTED TO SAID MEMORIES AND TO SAID SOURCE, HAVING A MEMORY SELECTION PORTION RESPONSIVE TO SAID TAG PORTION IN EACH
Claim 2
Dependent Claim
124 words
THE COMBINATION COMPRISING: MEMORIES HAVING ADDRESSABLE LOCATIONS; A SOURCE OF INSTRUCTIONS OF TWO KINDS RESPECTIVELY CONSISTING OF A FIRST KIND OF INSTRUCTIONS EACH CONTAINING AN ADDRESS PORTION FOR ADDRESSING THE LOCATIONS IN AT LEAST ONE MEMORY AND ALSO CONTAINING AT TAG PORTION FOR DESIGNATING A SELECTION AMONG A SPECIFIED PLURALITY OF MEMORIES, AND A SECOND KIND OF INSTRUCTIONS EACH CONTAINING A MOMORY GROUP SELECTION PORTION; FIRST CONTROL MEANS, CONNECTED TO SAID MEMORIES AND TO SAID SOURCE, HAVING A GROUP SELECTION PORTION RESPONSIVE TO SAID MEMORY GROUP SELECTION PORTION IN EACH INSTRUCTION OF SAID SECOND KIND TO SPECIFY A PLURALITY OF MEMORIES; SECOND CONTROL MEANS, CONNECTED TO SAID MEMORIES AND TO SAID SOURCE, HAVING A MEMORY SELECTION PORTION RESPONSIVE TO SAID TAG PORTION IN EACH
References Cited (Backward Citations)
US3061192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |