US2497531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloying composition for introducing zirconium into magnesium
Assignee: Magnesium Elektron Ltd
•
Filing: 1947-05-14
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Granted: 1950-02-14
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ball Charles James Prior
- 👤 Alfred C Jessup
- 👤 Edward F Emley
- 👤 Philip A Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:52
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AN ALLOYING COMPOSITION FOR INTRODUCING ZIRCONIUM INTO MAGNESIUM CONSISTING OF AN INTIMATE FUSED ANHYDROUS MIXTURE OF ZIRCONIUM CHLORIDE IN QUANTITY AT LEAST 15% AND AT LEAST ONE CHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDES OF BARIUM AND STRONTIUM IN QUANTITY EQUIVALENT TO AT LEAST 30% BARIUM CHLORIDE RECKONING 1% OF STRONTIUM CHLORIDE AS EQUIVALENT TO 0.7% OF BARIUM CHLORIDE.
Claim 2
Dependent Claim
61 words
AN ALLOYING COMPOSITION FOR INTRODUCING ZIRCONIUM INTO MAGNESIUM CONSISTING OF AN INTIMATE FUSED ANHYDROUS MIXTURE OF ZIRCONIUM CHLORIDE IN QUANTITY AT LEAST 15% AND AT LEAST ONE CHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDES OF BARIUM AND STRONTIUM IN QUANTITY EQUIVALENT TO AT LEAST 30% BARIUM CHLORIDE RECKONING 1% OF STRONTIUM CHLORIDE AS EQUIVALENT TO 0.7% OF BARIUM CHLORIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |