US2659136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite alloy
Assignee: Dow Chemical Co
•
Filing: 1950-08-16
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Granted: 1953-11-17
•
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
2026-10-29 18:25
CPC Classifications
C; C22; C22C; C22C23/00; C22C23/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A COMPOSITE METAL BODY CONSISTING OF TWO PARTICULATED METALS ONE OF THE METALS BEING A MAGNESIUM-BASE MAGNESIUM-ZINC-MANGANESE ALLOY CONTAINING FROM 0.5 TO 8 PER CENT OF ZINC, 0.5 TO 2.5 PER CENT OF MANGANESE, THE BALANCE BEING MAGNESIUM, THE OTHER COMPRISING TIN IN AMOUNT FROM 0.1 TO 8 PER CENT OF THE WEIGHT OF THE BODY, PARTICLES OF EACH PARTICULATED METAL BEING ELONGATED, ORIENTED IN THE BASE DIRECTION AND WELDED TOGETHER INTO AN INTEGRAL SOLID.
References Cited (Backward Citations)
US1913133A
Cited
US2024767A
Cited
US2205865A
Cited
US2332277A
Cited
GB570166A
Cited
US2355954A
Cited
GB570906A
Cited
GB625364A
Cited
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 |