US3279030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a solid electrolytic capacitor
Assignee: International Standard Electric Corp
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Filing: 1964-05-26
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Granted: 1966-10-18
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Expires: 1984-05-26
Abstract
No abstract record available.
Inventors
- 👤 Wagner Manfred
- 👤 Stander Helga Kunigunde Kathe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; C; C23; C23G; C23G1/00; C23G1/02; C23G1/10; C23G1/106; C25; C25D; C25D11/00; C25D11/02; C25D11/26; H01G9/004; H01G9/04; H01G9/042; H01G9/0425; H01G9/048; H01G9/052; H01G9/15; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR MANUFACTURING A CAPACITOR HAVING A TITANIUM BODY AS ONE ELECTRODE, COMPRISING THE STEPS OF: REMOVING ANY TITANIUM OXIDE FILM FROM THE SURFACE OF SAID BODY; HEATING SAID BODY IS AN OXIDIZING ATMOSPHERE AT A TEMPERATURE BETWEEN 300 AND 500*C. UNTIL A BLUISHVIOLET COLORED FILM OF TITANIUM OXIDE BECOMES VISIBLE; ELECTROLYTICALLY FORMING AN ADDITIONAL TITANIUM OXIDE FILM ON SAID COLORED FILM; AND DEPOSITING A COUNTERLECTRODE ON SAID ADDITIONAL FILM.
Claim 2
Dependent Claim
71 words
A PROCESS FOR MANUFACTURING A CAPACITOR HAVING A TITANIUM BODY AS ONE ELECTRODE, COMPRISING THE STEPS OF: REMOVING ANY TITANIUM OXIDE FILM FROM THE SURFACE OF SAID BODY; HEATING SAID BODY IS AN OXIDIZING ATMOSPHERE AT A TEMPERATURE BETWEEN 300 AND 500*C. UNTIL A BLUISHVIOLET COLORED FILM OF TITANIUM OXIDE BECOMES VISIBLE; ELECTROLYTICALLY FORMING AN ADDITIONAL TITANIUM OXIDE FILM ON SAID COLORED FILM; AND DEPOSITING A COUNTERLECTRODE ON SAID ADDITIONAL FILM.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |