US2985530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallurgy
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1959-03-11
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Granted: 1961-05-23
•
Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Fetzer
- 👤 John D Sprowl
- 👤 Stanley L Channon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:27
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
AN ALUMINUM BASE ALLOY ARTICLE CONSISTING ESSENTIALLY OF FROM ABOUT 0.40 TO 0.70% MANGANESE, 4.85 TO 5.35% MAGNESIUM, 0.05 TO 0.15% CHROMIUM, 1.75 TO 2.25% ZINC, 0.03 TO 0.05% TITANIUM, BALANCE SUBSTANTIALLY ALL ALUMINUM AND IMPURITIES IN NORMAL AMOUNTS FABRICATED BY WELDING TOGETHER TWO SOLUTION HEAT TREATED PLATES OF ALUMINUM BASE ALLOY.
References Cited (Backward Citations)
US2511551A
Cited
FR973802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |