US2434540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor and dielectric therefor
Assignee: Westinghouse Electric Corp
•
Filing: 1941-12-04
•
Granted: 1948-01-13
•
Expires: 1961-12-04
Abstract
No abstract record available.
Inventors
- 👤 Leo J Berberich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:05
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1843541A
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US1836180A
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US1944730A
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US2037686A
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US2019338A
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US2211019A
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US2139948A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |