Patent US2364028A successfully refreshed from Google Patents.
Patent US2564575A successfully refreshed from Google Patents.
US2564575A
Expired / Lapsed
US
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Computing machine
Assignee: Individual
•
Filing: 1948-06-19
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Granted: 1951-08-14
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Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 George A Just
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:10
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/46; G06F7/461; G06Q; G06Q20/00; G06Q20/08; G06Q20/20; G06Q20/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US515110A
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US518885A
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US1302616A
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US1933353A
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US2293127A
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US2283999A
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US2402989A
Cited
US2432324A
Cited
US2398771A
Cited
US2353046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |