US2822130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readout and radix conversion from a mechanical register to a capacitive storage
Assignee: MARCHAUT CALCULATORS Inc
•
Filing: 1953-03-06
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Granted: 1958-02-04
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Expires: 1973-03-06
Abstract
No abstract record available.
Inventors
- 👤 George V Nolde
- 👤 Harold T Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/401; G11C11/403; G11C11/404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2002219A
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US1332961A
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US2127733A
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US2338636A
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US2533242A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |