US3359191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of solid type electrolytic condensers of titanium
Assignee: Panasonic Holdings Corp
•
Filing: 1964-02-20
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Granted: 1967-12-19
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Minami Shinichi
- 👤 Neyagawashi Wataru Mizushima
- 👤 Nomura Akiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:14
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS OF FORMING A SOLID ELECTROLYTIC CONDENSER OF TITANIUM COMPRISING THE FOLOWING STEPS: ANODIZING THE SURFACE OF A TITANIUM PELLET; FORMING A LAYER OF MANGANESE DIOXIDE ON THE ANODIC OXIDATION SURFACE BY PYROLYSIS OF MANGANESE NITRATE COVERING THE ENTIRE ANODIZED SURFACE OF THE TITANIUM WITH A SEMI-CONDUCTIVE OXIDE LAYER; AND FORMING ANOTHER LAYER OF MANGANESE DIOXIDE AT THE WEAK POINTS OF THE ANODIED SURFACE BY ELECTROLYTICAL DEPOSITION.
Claim 2
Dependent Claim
68 words
A PROCESS OF FORMING A SOLID ELECTROLYTIC CONDENSER OF TITANIUM COMPRISING THE FOLOWING STEPS: ANODIZING THE SURFACE OF A TITANIUM PELLET; FORMING A LAYER OF MANGANESE DIOXIDE ON THE ANODIC OXIDATION SURFACE BY PYROLYSIS OF MANGANESE NITRATE COVERING THE ENTIRE ANODIZED SURFACE OF THE TITANIUM WITH A SEMI-CONDUCTIVE OXIDE LAYER; AND FORMING ANOTHER LAYER OF MANGANESE DIOXIDE AT THE WEAK POINTS OF THE ANODIED SURFACE BY ELECTROLYTICAL DEPOSITION.
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |