US2930951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitor
Assignee: General Electric Co
•
Filing: 1957-07-08
•
Granted: 1960-03-29
•
Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Francis J P J Burger
- 👤 Harry H Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:22
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/228; H01G4/018; H01G4/06; H01G4/08; H01G4/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2174840A
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US1923539A
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US2076904A
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US1965683A
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US2052575A
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US2079516A
Cited
US2174841A
Cited
FR873672A
Cited
DE746584C
Cited
US2578400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |