Patent US2434069A successfully refreshed from Google Patents.
US2434069A
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US
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Electronically regulated power supply
Assignee: Stromberg Carlson Corp
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Filing: 1944-02-07
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Granted: 1948-01-06
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Expires: 1964-02-07
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206912A
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US2268790A
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US2171614A
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US2195121A
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US2299942A
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US2337911A
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US2323857A
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US2356269A
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US2377500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |