US3378783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optimized digital amplifier utilizing insulated-gate field-effect transistors
Assignee: RCA Corp
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Filing: 1965-12-13
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Granted: 1968-04-16
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Gibson John James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:37
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/0175; H03K19/0185; H03K19/018507; H03K19/018521; H03F; H03F3/00; H03F3/34; H03F3/343; H03F3/345; H03K17/00; H03K17/51; H03K17/56; H03K17/687; H03K17/6871; H03K17/6872; H03K5/00; H03K5/01; H03K5/02; H03K5/023; H10; H10D; H10D99/00; H10D84/00; H10D84/80; H10D84/82; H10D84/83; H10D84/8311; H10D84/85
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3265981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |