Patent US1329061A successfully refreshed from Google Patents.
Patent US6437996B1 successfully refreshed from Google Patents.
Patent US2733991A successfully refreshed from Google Patents.
US2733991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alimilnum-magnesiijm casting alloys
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:26
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ALUMINUM BASE CASTING ALLOY CONSISTING OF 3 TO 9 PERCENT BY WEIGHT MAGNESIUM, 0.0005 TO 0.07 PERCENT BY WEIGHT BERYLLIUM, 0.1 TO 0.25 PERCENT BY WEIGHT TITANIUM AND 0.05 TO 0.60 PERCENT BY WEIGHT MANGANESE ANCE BEING ALUMINUM, SAID ALLOY CONTAINING NOT OVER 0.45 PERCENT BY WEIGHT IMPURITIES INCLUDING A MAXIMUM OF 0.25 PERCENT BY WEIGHT OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF COPPER, SILICON AND IRON AND NOT OVER 0.001 PERCENT BY WEIGHT OF AN ALKALI METAL.
Claim 2
Dependent Claim
81 words
AN ALUMINUM BASE CASTING ALLOY CONSISTING OF 3 TO 9 PERCENT BY WEIGHT MAGNESIUM, 0.0005 TO 0.07 PERCENT BY WEIGHT BERYLLIUM, 0.1 TO 0.25 PERCENT BY WEIGHT TITANIUM AND 0.05 TO 0.60 PERCENT BY WEIGHT MANGANESE ANCE BEING ALUMINUM, SAID ALLOY CONTAINING NOT OVER 0.45 PERCENT BY WEIGHT IMPURITIES INCLUDING A MAXIMUM OF 0.25 PERCENT BY WEIGHT OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF COPPER, SILICON AND IRON AND NOT OVER 0.001 PERCENT BY WEIGHT OF AN ALKALI METAL.
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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |