US2998487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor switching arrangements
Assignee: The General Electric Company PLC
•
Filing: 1957-04-26
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Granted: 1961-08-29
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Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Hilbourne Robert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/665; H03K17/666; H04; H04L; H04L27/00; H04L27/02; H04L27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424961A
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US2448336A
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US2873367A
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US2860193A
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US2794856A
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US2896029A
Cited
US2839620A
Cited
US2868897A
Cited
US2878380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |