Patent US3255388A successfully refreshed from Google Patents.
US3255388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic capacitor with reservoir of cathode-metal ions readily available in theelectrolyte
Assignee: Sprague Electric Co
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Filing: 1961-04-26
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Granted: 1966-06-07
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Sporing Percy Archibald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:48
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/145
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
AN ELECTROLYTIC CAPACITOR COMPRISING AN OXIDE-COATED PELLET-TYPE VALVE-METAL ANODE, A SILVER CATHODE, AN ELECTROLYTE SOLUTION OF LITHIUM CHLORIDE AND SILVER CHLORIDE CONTACTING SAID ANODE AND SAID CATHODE, THE SILVER CHLORIDE BEING PRESENT IN SAID ELECTROLYTE SOLUTION IN EXCESS OF SATURATION, AND AN ABSORBENT SPACER IN SAID ELECTROLYTE BETWEEN SAID ANODE AND SAID CATHODE, THE PORES OF SAID SPACER BEING LOADED WITH SILVER CHLORIDE, THEREBY PROVIDING SAID ELECTROLYTE WITH A RESERVOIR OF SILVER IONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |