Patent US2659137A successfully refreshed from Google Patents.
US2659137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite alloy
Assignee: Dow Chemical Co
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Filing: 1950-08-16
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Granted: 1953-11-17
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Expires: 1970-08-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Leontis
- 👤 Robert S Busk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
C; C22; C22C; C22C23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD OF MAKING A SOLID COMPOSITE HIGH STRENGTH METAL BODY COMPRISING A MAGNESIUM-BASE ALLOY WHICH CONSISTS IN FORMING A MIXTURE OF PARTICULATED METALS FROM 0.1 TO 6 PER CENT BY WEIGHT OF SAID MIXTURE BEING A MAGNESIUMSOLUBLE METAL SELECTED FROM THE GROUP CONSISTING OF ALLUMINUM AND ZINC, THE BALANCE OF SAID MIXTURE BEING A MAGNESIUM-BASE ALLOY CONTAINING FROM 0.5 TO 8 PER CNET OF TIN, THE BALANCE OF THE SAID ALLOY BEING MAGNESIUM, AND DIE EXPRESSING THE MIXTURE AT A TEMPERATURE BETWEEN 600* AND 800* F.
Claim 2
Independent Claim
87 words
THE METHOD OF MAKING A SOLID COMPOSITE HIGH STRENGTH METAL BODY COMPRISING A MAGNESIUM-BASE ALLOY WHICH CONSISTS IN FORMING A MIXTURE OF PARTICULATED METALS FROM 0.1 TO 6 PER CENT BY WEIGHT OF SAID MIXTURE BEING A MAGNESIUMSOLUBLE METAL SELECTED FROM THE GROUP CONSISTING OF ALLUMINUM AND ZINC, THE BALANCE OF SAID MIXTURE BEING A MAGNESIUM-BASE ALLOY CONTAINING FROM 0.5 TO 8 PER CNET OF TIN, THE BALANCE OF THE SAID ALLOY BEING MAGNESIUM, AND DIE EXPRESSING THE MIXTURE AT A TEMPERATURE BETWEEN 600* AND 800* F.
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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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |