US2955259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilising circuit for transistor amplifiers
Assignee: Pye Electronic Products Ltd
•
Filing: 1956-08-13
•
Granted: 1960-10-04
•
Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Lax Ladislav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2034226A
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US2320429A
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US2761916A
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US2762875A
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US2801297A
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US2762873A
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US2786964A
Cited
US2803712A
Cited
US2847519A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |