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US2563245A
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Voltage combining circuits
Assignee: AC Cossor Ltd
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Filing: 1945-05-07
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Granted: 1951-08-07
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Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jofeh Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:05
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; G; G06; G06G; G06G7/00; G06G7/12; G06G7/14; G06G7/18; G06G7/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2190743A
Cited
US2210956A
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US2241595A
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GB506659A
Cited
US2252007A
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US2401779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |