US3010190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A composite metal body of a ferrous base and aluminum base alloy coat
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1957-02-25
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Granted: 1961-11-28
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 James B Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; C22; C22C; C22C21/00; C22C21/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A COMPOSITE ARTICLE COMPRISING A BASE PORTION OF FERROUS METAL HOT DIP COATED WITH AN ALUMINUM BASE ALLOY OF IMPROVED WETTABILITY OF THE FERROUS BASE CONSITING ESSENTIALLY OF FROM ABOUT 1 TO ABOUT 6% SILICON AND AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEN IN AMOUNT FROM ABOUT 0.1 TO ABOUT 0.4%, THE TOTAL AMOUNT NOT EXCEEDING ABOUT 0.5%, BALANCE SUBSTANTIALLY ALL ALUMINUM AND IMPURITIES IN NORMAL AMOUNTS, SAID COMPOSITE ARTICLE HAVING A DUCTILITY COMPARABLE TO THAT OF AN ALUMINUMSILICON BINARY ALLOY COATED FERROUS BASE AND A SURFACE APPEARANCE IN THE AS-COATED CONDITION SUPERIOR TO SAID DUCTILE ALUMINUM-SILICON BINARY ALLOY COATED COMPOSITES AND NON-DUCTILE HIGH PURITY AND COMMERICAL PURITY ALUMIUM COATED COMPOSITIES.
Claim 2
Dependent Claim
118 words
A COMPOSITE ARTICLE COMPRISING A BASE PORTION OF FERROUS METAL HOT DIP COATED WITH AN ALUMINUM BASE ALLOY OF IMPROVED WETTABILITY OF THE FERROUS BASE CONSITING ESSENTIALLY OF FROM ABOUT 1 TO ABOUT 6% SILICON AND AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEN IN AMOUNT FROM ABOUT 0.1 TO ABOUT 0.4%, THE TOTAL AMOUNT NOT EXCEEDING ABOUT 0.5%, BALANCE SUBSTANTIALLY ALL ALUMINUM AND IMPURITIES IN NORMAL AMOUNTS, SAID COMPOSITE ARTICLE HAVING A DUCTILITY COMPARABLE TO THAT OF AN ALUMINUMSILICON BINARY ALLOY COATED FERROUS BASE AND A SURFACE APPEARANCE IN THE AS-COATED CONDITION SUPERIOR TO SAID DUCTILE ALUMINUM-SILICON BINARY ALLOY COATED COMPOSITES AND NON-DUCTILE HIGH PURITY AND COMMERICAL PURITY ALUMIUM COATED COMPOSITIES.
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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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |