US3218243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring an anodized aluminum sheet
Assignee: Olin Corp
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Filing: 1961-10-31
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Granted: 1965-11-16
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Christian E Michelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:08
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF APPLYING MULTICOLOR ARRAYS TO ANODIZED SHEET WHICH COMPRISES: PROVIDING AN UNSEALED ANODIZED ALUMINUM SHEET: DISPOSING A FIRST LAYER OF A WATERTHINNED, WATER DISPERSIBLE VEHICLE CONTAINING A WATER SOLUBLE COLORING AGENT IN INTIMATE, CONTACTING RELATIONSHIP WITH SAID SHEET, DRYING SAID FIRST LAYER; PLACING A SECOND LAYER OF AN ADHERENT, PROTECTIVE COATING MATERIAL PERMEABLE TO MOISTURE BUT RESISTANT TO BEING THINNED BY WATER IN INTIMATE, CONTACTING RELATIONSHIP WITH SAID DRIED FIRST LAYER; DRYING SAID SECOND LAYER; SEALING BY IMMERSION IN HOT WATER; AND REMOVING SAID PROTECTIVE COATING MATERIAL AND SAID WATER DISPERSIBLE VEHICLE.
Claim 2
Independent Claim
94 words
THE METHOD OF APPLYING MULTICOLOR ARRAYS TO ANODIZED SHEET WHICH COMPRISES: PROVIDING AN UNSEALED ANODIZED ALUMINUM SHEET: DISPOSING A FIRST LAYER OF A WATERTHINNED, WATER DISPERSIBLE VEHICLE CONTAINING A WATER SOLUBLE COLORING AGENT IN INTIMATE, CONTACTING RELATIONSHIP WITH SAID SHEET, DRYING SAID FIRST LAYER; PLACING A SECOND LAYER OF AN ADHERENT, PROTECTIVE COATING MATERIAL PERMEABLE TO MOISTURE BUT RESISTANT TO BEING THINNED BY WATER IN INTIMATE, CONTACTING RELATIONSHIP WITH SAID DRIED FIRST LAYER; DRYING SAID SECOND LAYER; SEALING BY IMMERSION IN HOT WATER; AND REMOVING SAID PROTECTIVE COATING MATERIAL AND SAID WATER DISPERSIBLE VEHICLE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |