US2983856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical device and dielectric material therefor
Assignee: General Electric Co
•
Filing: 1957-06-26
•
Granted: 1961-05-09
•
Expires: 1977-06-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond S Martin
- 👤 Joseph E Petley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:00
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041594A
Cited
US2139964A
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US2171855A
Cited
US2174289A
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US2139948A
Cited
US2174069A
Cited
US2233404A
Cited
US2361590A
Cited
US2694738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |