US3666451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum alloy
Assignee: United States Atomic Energy Commission
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Filing: 1970-08-13
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Granted: 1972-05-30
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Expires: 1990-08-13
Abstract
Abstract A CASTABLE, AGE-HARDENABLE, ALUMINUM-BASE ALLOY CONSISTING ESSENTIALLY OF, IN WEIGHT PERCENT, 3.0 TO 4.5 MAGNESIUM, 0.6 TO 1.8 SILICON, 0.4 TO 1.5 SILVER, 3 TO 0.5 ZIRCONIUM, AND THE BALANCE ALUMINUM.
Inventors
- 👤 Henry Dale Bewley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:25
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06; C22C21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |