US3015050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor structure
Assignee: Sprague Electric Co
•
Filing: 1955-12-13
•
Granted: 1961-12-26
•
Expires: 1975-12-13
Abstract
No abstract record available.
Inventors
- 👤 Herman F Deyerl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/228; H01G4/232; H01G4/32
Claims Analysis
Total Claims: 0
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US2413539A
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US2634315A
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US2869052A
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US2777976A
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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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |