US2788271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for introducing zirconium into magnesium and method of making same
Assignee: Magnesium Elektron Ltd
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Filing: 1953-01-05
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Granted: 1957-04-09
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Expires: 1973-01-05
Abstract
No abstract record available.
Inventors
- 👤 Edward F Emley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:51
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOSITION SUITABLE FOR INTRODUCING ZIRCONIUM INTO MAGNESIUM HAVING THE FOLLOWING INGREDIENTS:
Claim 2
Dependent Claim
12 words
A COMPOSITION SUITABLE FOR INTRODUCING ZIRCONIUM INTO MAGNESIUM HAVING THE FOLLOWING INGREDIENTS:
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) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |