US3736237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continous forming of anodes for capacitors
Assignee: ARCOTRONICS Inc
•
Filing: 1971-02-19
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Granted: 1973-05-29
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Expires: 1991-02-19
Abstract
Abstract A METHOD OF FORMING AN OXIDE FILM ON METAL STRIP COMPRISING FUNCTIONALLY DIVIDING A TANK CONTAINING A FORMING ELECTROLYTE INTO AN ENTRANCE, A FORMATION, AND AN AGING SECTION, AND CONTINUOUSLY PASSING A STRIP THROUGH THE TANK FROM THE GENERATION OF AN ANODIC OXIDE THEREON.
Inventors
- 👤 M Kallianides
- 👤 G Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:08
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; C; C25; C25D; C25D11/00; C25D11/02
Claims Analysis
Total Claims: 0
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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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |