US3333956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium-base alloy
Assignee: Dow Chemical Co
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Filing: 1964-09-08
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Granted: 1967-08-01
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 George S Foerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:52
CPC Classifications
C; C22; C22C; C22C23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN EXTRUDED MAGNESIUM BASE ALLOY HAVING A TENSILE YIELD STRENGTH OF AT LEAST 45,000 POUNDS PER SQUARE INCH AND A COMPRESSION YIELD STRENGTH OF AT LEAST 30,000 POUNDS PER SQUARE INCH WHICH CONSISTS ESSENTIALLY OF BY WEIGHT FROM 0.5 TO 2 PERCENT OF LITHIUM, AN ALLOYING ADDITION SELECTED FROM THE GROUP CONSISTING OF 3 TO 10 PERCENT OF TIN, 5 TO 15 PERCENT OF LEAD AND FROM 3 TO 15 PERCENT OF A BINARY MIXTURE OF TIN AND LEAD, AND THE BALANCE SUBSTANTIALLY MAGNESIUM.
Claim 2
Dependent Claim
84 words
AN EXTRUDED MAGNESIUM BASE ALLOY HAVING A TENSILE YIELD STRENGTH OF AT LEAST 45,000 POUNDS PER SQUARE INCH AND A COMPRESSION YIELD STRENGTH OF AT LEAST 30,000 POUNDS PER SQUARE INCH WHICH CONSISTS ESSENTIALLY OF BY WEIGHT FROM 0.5 TO 2 PERCENT OF LITHIUM, AN ALLOYING ADDITION SELECTED FROM THE GROUP CONSISTING OF 3 TO 10 PERCENT OF TIN, 5 TO 15 PERCENT OF LEAD AND FROM 3 TO 15 PERCENT OF A BINARY MIXTURE OF TIN AND LEAD, AND THE BALANCE SUBSTANTIALLY MAGNESIUM.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |