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US3016293A
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Method of multi-coloring sealed anodized aluminum
Assignee: Reynolds Metals Co
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Filing: 1957-07-29
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Granted: 1962-01-09
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Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Cybriwsky Alexander
- 👤 Gerald L Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:39
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; B; B41; B41M; B41M5/00; B41M5/025; B41M5/035; B41M5/0351
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF COLORING A METAL SURFACE HAVING A MICRO-POROUS ANODIC DURFACE FILM FORMED BY ANODIZING SAID METAL SURFACE, COMPRISING: SEALING SAID MICRO-POROUS ANODIC SURFACE FILM WITH A SEAL OF THE HYDRATION TYPE TO RENDER THE FILM NON-ABSORBENT OF DYE DURING A SUBSEQUENT DYEING STEP; UNSEALING A PORTION OF SAID FILM BY SELECTIVELY ETCHING IT LEAVING PORTIONS THEREOF UNETCHED; DYEING SAID ETCHED PORTION; AND SEALING SAID DYE PORTION.
Claim 2
Independent Claim
68 words
A METHOD OF COLORING A METAL SURFACE HAVING A MICRO-POROUS ANODIC DURFACE FILM FORMED BY ANODIZING SAID METAL SURFACE, COMPRISING: SEALING SAID MICRO-POROUS ANODIC SURFACE FILM WITH A SEAL OF THE HYDRATION TYPE TO RENDER THE FILM NON-ABSORBENT OF DYE DURING A SUBSEQUENT DYEING STEP; UNSEALING A PORTION OF SAID FILM BY SELECTIVELY ETCHING IT LEAVING PORTIONS THEREOF UNETCHED; DYEING SAID ETCHED PORTION; AND SEALING SAID DYE PORTION.
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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |