Patent US2936117A successfully refreshed from Google Patents.
US2936117A
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High speed switching circuits employing slow acting components
Assignee: AT&T Inc
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Filing: 1957-05-31
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Granted: 1960-05-10
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Younker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/523; G06F7/527; G06F7/5272; G06F7/535; G11; G11C; G11C19/00; G06F2207/00; G06F2207/38; G06F2207/3804; G06F2207/386; G06F2207/535; G06F2207/5352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2637812A
Cited
US2719670A
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US2655598A
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US2683819A
Cited
US2781447A
Cited
US2700501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |