Patent DE570878C successfully refreshed from Google Patents.
Patent US3588625A successfully refreshed from Google Patents.
US3588625A
Expired / Lapsed
US
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Electrolytic condenser and paste composition therefor
Assignee: Toshiba Corp
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Filing: 1969-02-03
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Granted: 1971-06-28
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Expires: 1989-02-03
Abstract
Abstract A PLASTIC COMPOSITION CONSISTING OF ELECTROLYTE COMPOUNDS, BORIC ACID POLYESTERS OF ETHYLENE GLYCOL AND N-METHYL-2-PYRROLIDONE. WHEN USED AS AN ELECTROLYTE FOR AN ELECTROLYTIC CONDENSER, THE COMPOSITION FURNISHES SAID CONDENSER WITH GOOD ELECTRICAL PROPERTIES.
Inventors
- 👤 Yasukane Kihara
- 👤 Ushimatsu Moriyama
- 👤 Yoichi Seta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:06
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/02
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |