US3717820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency power amplifier
Assignee: Integrated Systems Technology Inc
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Filing: 1971-11-10
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Granted: 1973-02-20
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Expires: 1991-11-10
Abstract
Abstract OF THE AMPLIFIER BY CONDUCTIVE SHIELDS AND ARE POSITIONED AND ORIENTED IN A PARTICULAR MANNER WITH RESPECT TO THE SHIELDS AND TO EACH OTHER. AN EFFICIENT AND COMPACT SOLID STATE RADIO FREQUENCY POWER AMPLIFIER IS DISCLOSED. THE AMPLIFIER INCLUDES A PLURALITY OF TRANSISTORS, CAPACITORS AND INDUCTANCE COILS INTERCONNECTED AND GROUPED IN A PARTICULAR SPATIAL RELATIONSHIP TO MINIMIZE INTERCOMPONENT INTERFERENCE. VARIOUS GROUPS OF COMPONENTS ARE SEGREGATED FROM THE OTHER COMPONENTS
Inventors
- 👤 J Meza
- 👤 H Garcia
- 👤 B Peek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:16
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/20; H03F3/24; H03F3/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |