US2601206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medium-strength corrosion-resistant aluminum alloys
Assignee: Reynolds Metals Co
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Filing: 1948-10-22
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Granted: 1952-06-17
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Expires: 1968-10-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Fritzlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:13
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06; C22C21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ALUMINUM BASE ALLOY COMPOSED SUBSTANTIALLY ENTIRELY OF SI. ABOVE .50 AND BELOW .90%; MG, .8-1.2% AND MN, .25-75%; FE, ABOVE .40 AND BELOW .60% AND THE BALANCE ALUMINUM WHEREIN THE MAGNESIUM IS COMBINED WITH THE SILICON, LEAVING AN EXCESS OF AT LEAST 0.10 PER CENT EXCESS SILICON COMBINED IN THE FORM OF AN AL-FE-MN-SI CONSTITUENT.
Claim 2
Dependent Claim
56 words
AN ALUMINUM BASE ALLOY COMPOSED SUBSTANTIALLY ENTIRELY OF SI. ABOVE .50 AND BELOW .90%; MG, .8-1.2% AND MN, .25-75%; FE, ABOVE .40 AND BELOW .60% AND THE BALANCE ALUMINUM WHEREIN THE MAGNESIUM IS COMBINED WITH THE SILICON, LEAVING AN EXCESS OF AT LEAST 0.10 PER CENT EXCESS SILICON COMBINED IN THE FORM OF AN AL-FE-MN-SI CONSTITUENT.
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |