Patent US2585821A successfully refreshed from Google Patents.
US3093883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manganese dioxide
Assignee: —
•
Filing: —
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Granted: 1963-06-18
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Expires: 1980-06-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:49
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/30; H01G9/00; H01G9/0029; H01G9/0032; H01G9/004; H01G9/04; H01G9/042; H01G9/048; H01G9/052; H01G9/07; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE PROCESS OF PRODUCING A CAPACITOR BODY COMPRISING, PROVIDING A TANTALUM OXIDE COATED POROUS TANTALUM PELLET WITH A MANGANESE SALT DISPOSED WITHIN ITS CREVICES, CONVERTING SAID SALT TO MANGENESE DIOXIDE BY FIRING AT A TEMPERATURE OF ABOUT 300*C ELECTROLYTICALLY
Claim 2
Dependent Claim
39 words
THE PROCESS OF PRODUCING A CAPACITOR BODY COMPRISING, PROVIDING A TANTALUM OXIDE COATED POROUS TANTALUM PELLET WITH A MANGANESE SALT DISPOSED WITHIN ITS CREVICES, CONVERTING SAID SALT TO MANGENESE DIOXIDE BY FIRING AT A TEMPERATURE OF ABOUT 300*C ELECTROLYTICALLY
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |