US3069086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix switching and computing systems
Assignee: International Business Machines Corp
•
Filing: 1959-11-05
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Granted: 1962-12-18
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Expires: 1979-11-05
Abstract
No abstract record available.
Inventors
- 👤 Papo Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/4912; G06F11/00; G06F11/07; G06F11/08; G06F11/085; G06F7/383; G06F7/386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2939119A
Cited
US2955303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |