US3153278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a composite aluminum article
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1959-08-28
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Granted: 1964-10-20
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Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Martin Hubert
- 👤 Bruce E Deal
- 👤 Swanson Larry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:32
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/016; C; C23; C23F; C23F1/00; C25; C25D; C25D11/00; C25D11/02; C25D11/022; C25D11/04; Y; Y10; Y10S; Y10S29/00; Y10S29/03; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/934; Y10T; Y10T29/00; Y10T29/49; Y10T29/49588; Y10T29/49597; Y10T29/4981; Y10T29/49812; Y10T29/4998; Y10T29/49982; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12396; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/1259; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF PRODUCING MULTICOLORED COMPOSITE ALUMINUM ARTICLES COMPRISING THE STEPS OF PROVIDING BONDED MULTIPLE LAYERS OF ALUMINUM, THE COMPOSITION OF A FIRST ONE OF SAID LAYERS BEING DIFFERENT FROM THAT OF AT LEAST ONE OTHER LAYER AND BEING CHOSEN SO AS TO GIVE A COLOR CONTRAST WITH SAID OTHER LAYER UPON FORMATIN OF AN ARTIFICIALLY PRODUCED OXIDE COATING THEREON, SELECTIVELY REMOVING PORTIONS OF SAID FIRST MENTIONED LAYER TO EXPOSE PORTIONS OF SAID OTHER LAYER AND TO PRODUCE A RELIEF DESIGN WITH RELIEF SLOPES OF ABOUT 90*, AND THEN FORMING AN ARTIFICIAL OXIDE COATING OF CONTRASTING COLORS ON SAID FIRST ALUMIUM LAYER AND THE EXPOSED PORTIONS OF SAID OTHER LAYER.
Claim 2
Independent Claim
110 words
A METHOD OF PRODUCING MULTICOLORED COMPOSITE ALUMINUM ARTICLES COMPRISING THE STEPS OF PROVIDING BONDED MULTIPLE LAYERS OF ALUMINUM, THE COMPOSITION OF A FIRST ONE OF SAID LAYERS BEING DIFFERENT FROM THAT OF AT LEAST ONE OTHER LAYER AND BEING CHOSEN SO AS TO GIVE A COLOR CONTRAST WITH SAID OTHER LAYER UPON FORMATIN OF AN ARTIFICIALLY PRODUCED OXIDE COATING THEREON, SELECTIVELY REMOVING PORTIONS OF SAID FIRST MENTIONED LAYER TO EXPOSE PORTIONS OF SAID OTHER LAYER AND TO PRODUCE A RELIEF DESIGN WITH RELIEF SLOPES OF ABOUT 90*, AND THEN FORMING AN ARTIFICIAL OXIDE COATING OF CONTRASTING COLORS ON SAID FIRST ALUMIUM LAYER AND THE EXPOSED PORTIONS OF SAID OTHER LAYER.
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |