US3482167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control system employing multiple insulated gate field effect transistor
Assignee: RCA Corp
•
Filing: 1967-06-12
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Granted: 1969-12-02
•
Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Kaplan
- 👤 Oliver P Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1841; H03B5/1847; H03B5/1852; H03F; H03F3/00; H03F3/189; H03F3/19; H03F3/193; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |