US3063636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix arithmetic system with input and output error checking circuits
Assignee: International Business Machines Corp
•
Filing: 1959-07-06
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Granted: 1962-11-13
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Huberto M Sierra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:09
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/085; G06F7/00; G06F7/38; G06F7/383; G06F7/386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2838115A
Cited
US2904781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |