US2659131A
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
2026-11-04 11:28
CPC Classifications
C; C22; C22C; C22C23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A COMPOSITE METAL BODY COMPRISING AT LEAST TWO PARTICULATED METALS, ONE OF THE METALS CONSISTING OF A MAGNESIUM-BASE MAGNESIUM-ZIRCONIUM ALLOY, THE OTHER COMPRISING ALUMINUM, THE PARTICLES OF EACH OF THE SAID TWO METALS BEING ALONGATED, ORIENTED IN THE SAME DIRECTION, AND WELDED TOGETHER INTO AN INTEGRAL SOLID, SAID SOLID COMPRISING BY WEIGHT AT LEAST 0.5 PER CENT OF ALUMINUM, AT LEAST 0.095 PER CENT OF ZIRCONIUM, THE AMOUNT OF THE ALUMINUM PLUS THE FIRCONIUM NOT EXCEEDING 6.1 PER CENT, AND UP TO 18 PER CENT OF NON-MAGNESIUM METAL, EXCLUSIVE OF THE ALUMINUM AND ZIRCONIUM, THE BALANCE BEING MAGNESIUM.
Claim 2
Dependent Claim
98 words
A COMPOSITE METAL BODY COMPRISING AT LEAST TWO PARTICULATED METALS, ONE OF THE METALS CONSISTING OF A MAGNESIUM-BASE MAGNESIUM-ZIRCONIUM ALLOY, THE OTHER COMPRISING ALUMINUM, THE PARTICLES OF EACH OF THE SAID TWO METALS BEING ALONGATED, ORIENTED IN THE SAME DIRECTION, AND WELDED TOGETHER INTO AN INTEGRAL SOLID, SAID SOLID COMPRISING BY WEIGHT AT LEAST 0.5 PER CENT OF ALUMINUM, AT LEAST 0.095 PER CENT OF ZIRCONIUM, THE AMOUNT OF THE ALUMINUM PLUS THE FIRCONIUM NOT EXCEEDING 6.1 PER CENT, AND UP TO 18 PER CENT OF NON-MAGNESIUM METAL, EXCLUSIVE OF THE ALUMINUM AND ZIRCONIUM, THE BALANCE BEING MAGNESIUM.
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 |