US2943930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrap refining process and product
Assignee: Proler Steel Corp
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Filing: 1959-10-27
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Granted: 1960-07-05
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Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 Proler Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406; C21; C21C; C21C5/00; C21C5/56; C21C5/562; C21C5/565; C22B1/248; F; F27; F27D; F27D13/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S241/00; Y10S241/38; Y10S266/00; Y10S266/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
PROCESS OF REFINING A RAW FERROUS BEARING SCRAP MATERIAL COMPRISING SHREDDING THE RAW MATERIAL, SEPERATING THE MORE FERROUS BEARING SHREDDED MATERIAL FROM THE LESS FERROUS BEARING SHREDDED MATERIAL, ROASTING THE MORE FERROUS BEARING SHREDDED MATERIAL AT A TEMPERATURE SUFFICIENT TO REMOVE SUBSTANTIALLY ALL NON-FERROUS METALS, AND INDIVIDUALLY COMPACTING AND BALLING UP THE PIECES OF THE MORE FERROUS BEARINGS SHREDDED MATERIAL TO DENSIFY IT WHILE MAINTAINING THE INDIVIDUALITY OF THE SEPARATED PIECES,WHEREBY A FLUENT MASS IS OBTAINED.
Claim 2
Dependent Claim
76 words
PROCESS OF REFINING A RAW FERROUS BEARING SCRAP MATERIAL COMPRISING SHREDDING THE RAW MATERIAL, SEPERATING THE MORE FERROUS BEARING SHREDDED MATERIAL FROM THE LESS FERROUS BEARING SHREDDED MATERIAL, ROASTING THE MORE FERROUS BEARING SHREDDED MATERIAL AT A TEMPERATURE SUFFICIENT TO REMOVE SUBSTANTIALLY ALL NON-FERROUS METALS, AND INDIVIDUALLY COMPACTING AND BALLING UP THE PIECES OF THE MORE FERROUS BEARINGS SHREDDED MATERIAL TO DENSIFY IT WHILE MAINTAINING THE INDIVIDUALITY OF THE SEPARATED PIECES,WHEREBY A FLUENT MASS IS OBTAINED.
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |