Patent US2883739A successfully refreshed from Google Patents.
US2883739A
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Composite article
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1951-04-11
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Granted: 1959-04-28
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Expires: 1971-04-11
Abstract
No abstract record available.
Inventors
- 👤 James B Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:04
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/012; C; 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
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A HOT DIP COATED COMPOSITE ARTICLE COMPRISING A BASE PORTION OF FERROUS METAL COATED WITH AN ALUMINUM BASE ALLOY CONTAINING FROM ABOUT 0.03 TO ABOUT 1.5% BERYLLIUM, ABOUT 1.0 TO ABOUT 5% SILICON, AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEIN IN AMOUNT FROM ABOUT 0.1 TO 0.35%, THE TOTAL AMOUNT NOT EXCEEDING ABOUT 0.5%, AT
Claim 2
Dependent Claim
62 words
A HOT DIP COATED COMPOSITE ARTICLE COMPRISING A BASE PORTION OF FERROUS METAL COATED WITH AN ALUMINUM BASE ALLOY CONTAINING FROM ABOUT 0.03 TO ABOUT 1.5% BERYLLIUM, ABOUT 1.0 TO ABOUT 5% SILICON, AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEIN IN AMOUNT FROM ABOUT 0.1 TO 0.35%, THE TOTAL AMOUNT NOT EXCEEDING ABOUT 0.5%, AT
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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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |