Patent US2759111A successfully refreshed from Google Patents.
US2759111A
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Transistor trigger circuit
Assignee: BBC Brown Boveri AG Germany
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Filing: 1952-06-26
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Granted: 1956-08-14
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Expires: 1972-06-26
Abstract
No abstract record available.
Inventors
- 👤 Wideroe Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:55
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; Y; Y10; Y10S; Y10S74/00; Y10S74/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2584990A
Cited
US2595208A
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US2622211A
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US2629833A
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US2629834A
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US2670445A
Cited
US2628310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |