US3236632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength aluminum alloy for pellet extrusion and product
Assignee: Dow Chemical Co
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Filing: 1964-12-01
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Granted: 1966-02-22
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 George S Foerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:03
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06; C22C21/08; C22C21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ALUMINUM ALLOY CONSISTING ESSENTIALLY OF FROM ABOUT 0.5 TO ABOUT 2 WEIGHT PERCENT MAGNESIUM, FROM ABOUT 0.5 TO ABOUT 10 WEIGHT PERCENT SILICON, NICKEL BALANCE ALUMINUM, THE CONCENTRATION IN WEIGHT PERCENT OF SAID NICKEL TO BE UTILIZED IN SAID ALLOY BEING FROM ABOUT 3 TO ABOUT 10 AND THE MAGNESIUM AND SILICON CONCENTRATIONS BEING ADJUSTED SO THAT THERE IS AT LEAST SUFFICIENT SILICON TO FORM MAGNESIUM SILICIDE (MG2SI) WITH THE MAGNESIUM PRESENT IN THE ALLOY.
Claim 2
Dependent Claim
76 words
AN ALUMINUM ALLOY CONSISTING ESSENTIALLY OF FROM ABOUT 0.5 TO ABOUT 2 WEIGHT PERCENT MAGNESIUM, FROM ABOUT 0.5 TO ABOUT 10 WEIGHT PERCENT SILICON, NICKEL BALANCE ALUMINUM, THE CONCENTRATION IN WEIGHT PERCENT OF SAID NICKEL TO BE UTILIZED IN SAID ALLOY BEING FROM ABOUT 3 TO ABOUT 10 AND THE MAGNESIUM AND SILICON CONCENTRATIONS BEING ADJUSTED SO THAT THERE IS AT LEAST SUFFICIENT SILICON TO FORM MAGNESIUM SILICIDE (MG2SI) WITH THE MAGNESIUM PRESENT IN THE ALLOY.
References Cited (Backward Citations)
US1910861A
Cited
US2280177A
Cited
GB603162A
Cited
US2966731A
Cited
US3113052A
Cited
US3031299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |