Patent US3436734A successfully refreshed from Google Patents.
US3436734A
Expired / Lapsed
US
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Error correcting and repairable data processing storage system
Assignee: International Business Machines Corp
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Filing: 1966-06-21
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Granted: 1969-04-01
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Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 James H Pomerene
- 👤 Richard W Melville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:31
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1044; G06F12/00; G06F12/02; G06F12/06; G06F12/0607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229253A
Cited
US3185966A
Cited
US3222653A
Cited
US3239818A
Cited
US3226692A
Cited
US3268875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |