Patent US2709511A successfully refreshed from Google Patents.
US2709511A
Expired / Lapsed
US
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Carriage traversing mechanism for calculating machines
Assignee: Individual
•
Filing: 1951-03-22
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Granted: 1955-05-31
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Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 Allen A Dicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:45
CPC Classifications
G; G06; G06C; G06C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325469A
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US2025956A
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US2088662A
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US2216636A
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US2382195A
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US2442402A
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US2597162A
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US2294948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |