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US3436686A
Expired / Lapsed
US
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Amplitude modulation circuit with high power efficiency for two amplifiers
Assignee: Tesla AS
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Filing: 1965-06-28
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Granted: 1969-04-01
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jiri Vackar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:40
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/16; H03C1/18; H03C1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2539243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |