US2305580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric capacitor
Assignee: General Electric Co
•
Filing: 1941-08-09
•
Granted: 1942-12-15
•
Expires: 1961-08-09
Abstract
No abstract record available.
Inventors
- 👤 Frank M Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:03
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/10; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/10; H01G4/20; H01G4/22
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) | 1945-12-14 | 1946-06-15 | 1946-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-14 | 1950-06-15 | 1950-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-14 | 1954-06-15 | 1954-12-15 | $7700.00 | Window Closed / Lapsed |