US2965296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data checking apparatus
Assignee: International Computers and Tabulators Ltd
•
Filing: 1956-09-11
•
Granted: 1960-12-20
•
Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 Keen Albert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:44
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB740007A
Cited
US2765982A
Cited
US2755022A
Cited
US2781971A
Cited
US2731199A
Cited
US2896848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |