US3449718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error correction by assumption of erroneous bit position
Assignee: International Business Machines Corp
•
Filing: 1965-06-10
•
Granted: 1969-06-10
•
Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Paul W Woo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G11; G11B; G11B20/00; G11B20/10; G11B20/18; G11B20/1833; H; H04; H04L; H04L1/00; H04L1/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2977047A
Cited
US3075175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |