Patent US2210886A successfully refreshed from Google Patents.
US1769874A
Expired / Lapsed
US
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Condenser and material for dielectric or insulation purposes
Assignee: General Electric Co
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Filing: 1925-12-04
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Granted: 1930-07-01
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Expires: 1945-12-04
Abstract
No abstract record available.
Inventors
- 👤 Boyer Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:50
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/04; H01G4/20; H01G4/22; H01G4/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-06-30 | 1933-12-30 | 1934-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-30 | 1937-12-30 | 1938-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-30 | 1941-12-30 | 1942-07-01 | $7700.00 | Window Closed / Lapsed |