Patent US2656269A successfully refreshed from Google Patents.
US2656269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium alloys and method of making the same
Assignee: Vanadium Corp of America
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Filing: 1951-03-08
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Granted: 1953-10-20
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Holbert E Dunn
- 👤 Strauss Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:01
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22C1/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD OF MAKING AN ALLOY CONTAINING MAGNESIUM, COPPER, SILICON AND IRON, WHICH COMPRISES ALLOYING MAGNEISUM WITH COPPER AND SILICON TO FORM AN ALLOY CONTAINING MAGNESIUM, COPPER AND SILICON AND HAVING A MELTING POINT HIGHER THAN THE MELTING POINT OF MAGNESIUM, AND THEREAFTER ALLOYING SAID ALLOY WITH FERROSILICON.
Claim 2
Independent Claim
48 words
THE METHOD OF MAKING AN ALLOY CONTAINING MAGNESIUM, COPPER, SILICON AND IRON, WHICH COMPRISES ALLOYING MAGNEISUM WITH COPPER AND SILICON TO FORM AN ALLOY CONTAINING MAGNESIUM, COPPER AND SILICON AND HAVING A MELTING POINT HIGHER THAN THE MELTING POINT OF MAGNESIUM, AND THEREAFTER ALLOYING SAID ALLOY WITH FERROSILICON.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |