US3325697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed capacitor with non-gas producing electrolyte
Assignee: Sprague Electric Co
•
Filing: 1963-06-07
•
Granted: 1967-06-13
•
Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:59
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2716721A
Cited
CA654390A
Cited
US2759132A
Cited
US2739275A
Cited
US2801221A
Cited
US2866139A
Cited
US2923866A
Cited
US2945164A
Cited
US3052829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |