Patent US2919190A successfully refreshed from Google Patents.
US2919190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloying of manganese and zirconium to magnesium
Assignee: Magnesium Elektron Ltd
•
Filing: 1958-01-30
•
Granted: 1959-12-29
•
Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 Derek J Whitehead
- 👤 Emley Edward Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:07
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22C1/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR PRODUCING MAGNESIUM BASE ALLOYS CONTAINING MANGANESE AND ZIRCONIUM WHEREIN MANGANESE AND ZIRCONIUM ARE INTRODUCED SIMULTANEOUSLY INTO MANGANESE BY MEANS OF SALT MIXTURES CONSISTING OF AT LEAST 5% BY WEIGHT OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF MNC12 AND MNF2 AND AT LEAST 5% OF ZRC1, TOGETHER WITH AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKALI EARTH METAL CHLORIDES AND ALKALINE EARTH METAL CHLORIDES, THE RATIO ZRC14 TO MNC12 LYING BETWEEN 1.0 AND 4.0.
Claim 2
Dependent Claim
81 words
A PROCESS FOR PRODUCING MAGNESIUM BASE ALLOYS CONTAINING MANGANESE AND ZIRCONIUM WHEREIN MANGANESE AND ZIRCONIUM ARE INTRODUCED SIMULTANEOUSLY INTO MANGANESE BY MEANS OF SALT MIXTURES CONSISTING OF AT LEAST 5% BY WEIGHT OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF MNC12 AND MNF2 AND AT LEAST 5% OF ZRC1, TOGETHER WITH AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKALI EARTH METAL CHLORIDES AND ALKALINE EARTH METAL CHLORIDES, THE RATIO ZRC14 TO MNC12 LYING BETWEEN 1.0 AND 4.0.
References Cited (Backward Citations)
CA524288A
Cited
CA529625A
Cited
US1720436A
Cited
US2261906A
Cited
US2497530A
Cited
US2497537A
Cited
US2788271A
Cited
GB749167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |