Patent US2659132A successfully refreshed from Google Patents.
US2659132A
Expired / Lapsed
US
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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
2026-11-01 19:52
CPC Classifications
C; C22; C22C; C22C23/00; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A COMPOSITE METAL BODY CONSISTING OF TWO PARTICULATEED METALS ONE OF THE METALS BEING A MAGNESIUM-BASE ALLOY CONTAINING FROM 0.1 TO 0.8 PER CENT OF ZIRCONIUM AND THE BALANCE BEING AT LEAST 88 PER CENT OF MAGNESIUM, THE OTHER BEING ELEMENTARY SILVER IN AMOUNT BETWEEN 0.1 AND 6 PER CENT BY WEIGHT OF THE METAL BODY, THE PARTICLES OF EACH OF THE METALS BEING ELONGATED, ORIENTATED IN THE SAME DIRECTION, AND WELDED T
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US1913133A
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US2024767A
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US2205865A
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US2332277A
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GB570166A
Cited
US2355954A
Cited
GB570906A
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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 |