US2926080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the introduction of rare earths in addition alloys
Assignee: GEA Group AG
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Filing: 1957-06-10
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Granted: 1960-02-23
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Motz Jurgen
- 👤 Kaess Franz
- 👤 Vogel Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
C; C22; C22C; C22C28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR THE INTRODUCTION OF RARE EARTHS INTO SILICON BASE ALLOYS TO PRODUCE SILICON BASE MOLTEN ALLOYS CONTAINING METALLIC RARE EARTHS SUITABLE FOR THE TREATMENT OF IRON AND STEEL METALS WHICH COMPRISES TREATING THE RARE EARTHS IN THE FORM OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF RARE EARTH SALTS AND RARE EARTH OXIDES WITH THE FUSED COMPONENTS OF THE SILICON BASE ALLOY.
Claim 2
Dependent Claim
64 words
A PROCESS FOR THE INTRODUCTION OF RARE EARTHS INTO SILICON BASE ALLOYS TO PRODUCE SILICON BASE MOLTEN ALLOYS CONTAINING METALLIC RARE EARTHS SUITABLE FOR THE TREATMENT OF IRON AND STEEL METALS WHICH COMPRISES TREATING THE RARE EARTHS IN THE FORM OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF RARE EARTH SALTS AND RARE EARTH OXIDES WITH THE FUSED COMPONENTS OF THE SILICON BASE ALLOY.
References Cited (Backward Citations)
GB190603089A
Cited
US2144200A
Cited
GB568315A
Cited
GB612607A
Cited
US2794731A
Cited
US2771359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |