Patent US3558446A successfully refreshed from Google Patents.
US3558446A
Expired / Lapsed
US
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Printing system for anodized aluminum
Assignee: Lockheed Martin Corp
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Filing: 1968-06-28
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Granted: 1971-01-26
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Expires: 1988-06-28
Abstract
Abstract AN INK SYSTEM FOR FOUR-COLOR (MULTICOLOR) PRINTING OF ANODIZED ALUMINUM BY GRAVURE TECHNIQUES COMPRISING USE IN THE INK SYSTEM OF A SPECIALLY SELECTED GROUP OF COLORANTS. THE COLORANTS WHICH INCLUDE ORASOL YELLOW, ORASOL SCARLET, ORACET BLUE B, ORASOL RED, AVIATION OIL BLUE, LATYL CERISE B, SUDAN YELLOW, FLUOROL 7 BA, GRASOL BLUE AND NEOZAPON BLUE, ARE EACH ADAPTED TO COOPERATE WITH EACH OTHER IN MATTERS OF PENETRATION OF THE ANODIC FILM ON ALUMINUM, IN REASONABLY EQUIVALENT RESISTANCE TO THE FADING EFFECTS OF LIGHT AND IN OTHER RESPECTS PECULIAR TO THE SUCCESSFUL MULTICOLOR PRINTING OF ANODIZED ALUMINUM.
Inventors
- 👤 Carl B Blake
- 👤 Adolph Fuerst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:01
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/28
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |