Patent US3288601A successfully refreshed from Google Patents.
US3288601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-strength aluminum casting alloy containing copper-magnesium-silconsilver
Assignee: Individual
•
Filing: 1966-03-14
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Granted: 1966-11-29
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Merton C Flemings
- 👤 Richard F Polich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:51
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
HIGH-STRENGTH ALUMINUM CASTING ALLOY HAVING THE PROPERTIES OF MINIMUM TENSILE STRENGTH OF ESSENTIALLY 60,000 POUNDS PER SQUARE INCH AND MINIMUM YIELD STRENGTH OF ESSENTIALLY 50,000 POUNDS PER SQUARE INCH AND HAVING HIGH DUCTILITY, SAID ALLOY CONSISTING ESSENTIALLY OF 2.75 TO 3.75% COPPER, 0.4 TO 0.6% MAGNESIUM, 0.7 TO 1.2% SILICON, AND 0.35 TO 0.45 SILVER WITH THE BALANCE ALUMINUM.
Claim 2
Dependent Claim
59 words
HIGH-STRENGTH ALUMINUM CASTING ALLOY HAVING THE PROPERTIES OF MINIMUM TENSILE STRENGTH OF ESSENTIALLY 60,000 POUNDS PER SQUARE INCH AND MINIMUM YIELD STRENGTH OF ESSENTIALLY 50,000 POUNDS PER SQUARE INCH AND HAVING HIGH DUCTILITY, SAID ALLOY CONSISTING ESSENTIALLY OF 2.75 TO 3.75% COPPER, 0.4 TO 0.6% MAGNESIUM, 0.7 TO 1.2% SILICON, AND 0.35 TO 0.45 SILVER WITH THE BALANCE ALUMINUM.
References Cited (Backward Citations)
GB522050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |