US2561646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Setting device for the type levers in calculating machines
Assignee: Precisa AG Rechenmaschinenfabrik
•
Filing: 1948-06-24
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Granted: 1951-07-24
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Expires: 1968-06-24
Abstract
No abstract record available.
Inventors
- 👤 Benninger Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:28
CPC Classifications
G; G06; G06C; G06C11/00; G06C11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039791A
Cited
US1954041A
Cited
US2053243A
Cited
US2066784A
Cited
US2335911A
Cited
US2325966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |