US3469192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplitude control circuit for single sideband generator by controlling the gain of a driver stage
Assignee: Fujitsu Ltd
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Filing: 1966-02-09
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Granted: 1969-09-23
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Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Haruki Tomono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:33
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/60; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3036; H03G3/3042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |