Patent US2682366A successfully refreshed from Google Patents.
US2850694A
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US
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Current supply apparatus for load voltage regulation
Assignee: AT&T Inc
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Filing: 1954-07-07
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Granted: 1958-09-02
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Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 Billy H Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2301343A
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US2517960A
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US2660624A
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US2531076A
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US2655609A
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US2751545A
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US2693572A
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US2698416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |