Patent US3726783A successfully refreshed from Google Patents.
US3726783A
Expired / Lapsed
US
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Apparatus for producing an aluminum foil or band with an electrically insulating or decorative coating thereon
Assignee: Metalloxyd GmbH
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Filing: 1971-03-19
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Granted: 1973-04-10
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Expires: 1991-03-19
Abstract
Abstract AN ALUMINUM FOIL, BAND OR THE LIKE WITH AN ELECTRICALLY INSULATING OR DECORATIVE COATING APPLIED TO THE OUTER SURFACE THEREOF AND COMPRISING AN INNER OXIDE LAYER AND AN OUTER LACQUER LAYER. ALSO DISCLOSED ARE A METHOD AND AN APPARATUS FOR PRODUCING THE COATED FOIL OR THE LIKE IN A CONTINUOUS MANNER BY PASSING THE FOIL FIRST THROUGH AN ELECTROLYTIC ANODIZING MEANS FOR PRODUCING THE OXIDE LAYER AND SUBSEQUENTLY THROUGH AN ELECTROPHORESIS DEVICE FOR APPLYING THE LACQUER LAYER ONTO THE OXIDE LAYER.
Inventors
- 👤 H Herrmann
- 👤 R Dizon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:32
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/20
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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |