Patent US3374466A successfully refreshed from Google Patents.
US3374466A
Expired / Lapsed
US
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Data processing system
Assignee: International Business Machines Corp
•
Filing: 1965-05-10
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Granted: 1968-03-19
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 William P Hanf
- 👤 Karl K Womack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
G; G06; G06F; G06F12/00; G06F12/02; G06F12/06; G06F12/0615; G06F12/0623; G06N; G06N3/00; G06N3/02; G06N3/04; H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/1733; H03K3/00; H03K3/02; H03K3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |