US2993783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum base alloys
Assignee: WILLIAM F JOBBINS Inc
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Filing: 1960-07-21
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Granted: 1961-07-25
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Martin Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SELF-AGING ALUMINUM BASE CASTING ALLOY CONSISTING ESSENTIALLY OF ZINC PRESENT IN AN AMOUNT WITHIN THE RANGE OF 6-8% BY WEIGHT, MAGNESIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.6-0.8% BY WEIGHT, CHROMIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.5-0.15% BY WEIGHT, TITANIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.1-0.25% BY WEIGHT, AND BORON PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.0005-0.001% BY WEIGHT, AND ZIRCONINUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.050.25% BY WEIGHT, AND LESS THAN 0.75% BY WEIGHT OF IMPURITIES INCLUDING A MAXIMUM OF 0.15% BY WEIGHT OF ANY OF THE METALS SELECTED FROM THE GROUP CONSISTING OF SILICON AND IRON, THE BALANCE BEING ALUMINUM.
Claim 2
Dependent Claim
116 words
A SELF-AGING ALUMINUM BASE CASTING ALLOY CONSISTING ESSENTIALLY OF ZINC PRESENT IN AN AMOUNT WITHIN THE RANGE OF 6-8% BY WEIGHT, MAGNESIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.6-0.8% BY WEIGHT, CHROMIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.5-0.15% BY WEIGHT, TITANIUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.1-0.25% BY WEIGHT, AND BORON PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.0005-0.001% BY WEIGHT, AND ZIRCONINUM PRESENT IN AN AMOUNT WITHIN THE RANGE OF 0.050.25% BY WEIGHT, AND LESS THAN 0.75% BY WEIGHT OF IMPURITIES INCLUDING A MAXIMUM OF 0.15% BY WEIGHT OF ANY OF THE METALS SELECTED FROM THE GROUP CONSISTING OF SILICON AND IRON, THE BALANCE BEING ALUMINUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |