US2683085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the recovery of metals or metal alloys from iron clad therewith
Assignee: GEA Group AG
•
Filing: 1950-07-17
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Granted: 1954-07-06
•
Expires: 1970-07-17
Abstract
No abstract record available.
Inventors
- 👤 Lohberg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
C; C22; C22B; C22B7/00; C22B7/001; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR REMOVING CLADDING FROM IRON WHICH IS CLAD WITH A METALLIC CLADDING SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL, TIN, CHROMIUM, CADMIUM, ZINC AND MIXTURES OF SUCH METALS WHICH COMPRISES CONTACTING THE CLAD METAL WITH MOLTEN MAGNESIUM AT A TEMPERATURE BELOW THE MELTING POINT OF THE IRON UNTIL THE CLADDING IS DISSOLVED BY THE MOLTEN MAGNESIUM.
Claim 2
Dependent Claim
59 words
A PROCESS FOR REMOVING CLADDING FROM IRON WHICH IS CLAD WITH A METALLIC CLADDING SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL, TIN, CHROMIUM, CADMIUM, ZINC AND MIXTURES OF SUCH METALS WHICH COMPRISES CONTACTING THE CLAD METAL WITH MOLTEN MAGNESIUM AT A TEMPERATURE BELOW THE MELTING POINT OF THE IRON UNTIL THE CLADDING IS DISSOLVED BY THE MOLTEN MAGNESIUM.
References Cited (Backward Citations)
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Cited
US1513875A
Cited
US1562472A
Cited
US1669485A
Cited
GB419665A
Cited
US2077990A
Cited
US2124564A
Cited
US2133327A
Cited
US2527037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |