US3316133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for aluminum capacitor electrodes
Assignee: Sprague Electric Co
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Filing: 1964-01-31
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Granted: 1967-04-25
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 George A Shirn
- 👤 William J Pfister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS OF MAKING A POROUS ALUMINUM PELLET ELECTRODE COMPRISING FORMING AN INTIMATE MIXTURE OF A CONTINUOUS PHASE OF MOLTEN ALUMINUM WITH A LEACHBLE, MOLTEN IMMISCIBLE METAL OF THE GROUP CONSISTING OF THALLIUM, BISMUTH, CADMIUM, POTASSIUM, SODIUM, LEAD, CESIUM AND GALLIUM; AND A LEACHABLE NONMOLTEN, METAL WOOL OF THE GROUP CONSISTING OF NICKEL WOOL, STEEL WOOL, COPPER WOOL, BRASS WOOL AND BRONZE WOOL; SOLIDIFYING SAID MIXTURE AND LEACHING SAID LEACHABLE METALS FROM SAID ALUMINUM.
Claim 2
Dependent Claim
74 words
THE PROCESS OF MAKING A POROUS ALUMINUM PELLET ELECTRODE COMPRISING FORMING AN INTIMATE MIXTURE OF A CONTINUOUS PHASE OF MOLTEN ALUMINUM WITH A LEACHBLE, MOLTEN IMMISCIBLE METAL OF THE GROUP CONSISTING OF THALLIUM, BISMUTH, CADMIUM, POTASSIUM, SODIUM, LEAD, CESIUM AND GALLIUM; AND A LEACHABLE NONMOLTEN, METAL WOOL OF THE GROUP CONSISTING OF NICKEL WOOL, STEEL WOOL, COPPER WOOL, BRASS WOOL AND BRONZE WOOL; SOLIDIFYING SAID MIXTURE AND LEACHING SAID LEACHABLE METALS FROM SAID ALUMINUM.
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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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |