Patent US2991540A successfully refreshed from Google Patents.
US2991540A
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Electrical capacitors
Assignee: GE Healthcare UK Ltd
•
Filing: 1956-04-03
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Granted: 1961-07-11
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Expires: 1976-04-03
Abstract
No abstract record available.
Inventors
- 👤 Gaut Geoffrey Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:28
CPC Classifications
H; H01; H01G; H01G13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1498206A
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US1789451A
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GB269378A
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GB394485A
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US2216655A
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US2151806A
Cited
US2216186A
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US2290163A
Cited
FR903040A
Cited
CH270972A
Cited
US2497330A
Cited
US2506021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |