Patent US2970272A successfully refreshed from Google Patents.
US2970272A
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Electronic control apparatus with magnetic input and output logic elements
Assignee: Westinghouse Electric Corp
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Filing: 1957-01-11
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Granted: 1961-01-31
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 William E Large
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:40
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2174386A
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US2508973A
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US2564500A
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US2780750A
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US2809297A
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US2767351A
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US2745052A
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US2780668A
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US2785346A
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US2875335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |