US2966670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control systems
Assignee: International Business Machines Corp
•
Filing: 1954-12-17
•
Granted: 1960-12-27
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frederic A Foss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:19
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27; G06M1/276; H; H03; H03M; H03M1/00; H03M1/12; H03M1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2537498A
Cited
US2538615A
Cited
US2692814A
Cited
US2685084A
Cited
US2704353A
Cited
US2738504A
Cited
US2852764A
Cited
US2782408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |