Patent US2731203A successfully refreshed from Google Patents.
US2731203A
Expired / Lapsed
US
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Saturable core circuits for counting and the like
Assignee: Unisys Corp
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Filing: 1951-05-24
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Granted: 1956-01-17
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Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 James G Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:52
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862211A
Cited
US2010614A
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US2010610A
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US2027312A
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US2222048A
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US2265296A
Cited
US2519513A
Cited
US2524154A
Cited
US2640164A
Cited
US2591406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |