US3207973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D.c. regulated power supply employing means for adjusting the input in response to output voltages variations
Assignee: Individual
•
Filing: 1961-06-23
•
Granted: 1965-09-21
•
Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 Gail D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:42
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2840777A
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US3161778A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |