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US3445754A
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Reference oscillator and vco loop controlled dc regulator
Assignee: SAMUEL L BROADHEAD JR
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Filing: 1966-12-09
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Granted: 1969-05-20
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Broadhead Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:30
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3155838A
Cited
US3164769A
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US3226630A
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US3323037A
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US3341765A
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US3381202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |