US3403305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic capacitor having an electrolyte containing a borate coordination compound
Assignee: Sprague Electric Co
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Filing: 1966-11-10
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Granted: 1968-09-24
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert W Santway
- 👤 Robert S Alwitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:20
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; C; C07; C07F; C07F5/00; C07F5/02; C07F5/04; H01M; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1976700A
Cited
US3009941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |