US2994102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum casting system
Assignee: Reynolds Metals Co
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Filing: 1960-05-09
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Granted: 1961-08-01
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Leland R Payton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10; Y; Y10; Y10S; Y10S75/00; Y10S75/953
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
THE METHOD OF CONTINUOUSLY FORMING ALUMINUM SHOT, COMPRISING THE STEPS OF CONTINUOUSLY POURING MOLTEN ALUMINUM INTO A CONTAINER HAVING PERIPHERAL OPENINGS THERETHROUGH WHILE CONTINUALLY REVOLVING THE CONTAINER TO CENTRIFUGALLY FORCE THE MOLTEN ALUMINUM THROUGH SAID OPENINGS, REPEATEDLY JARRING THE CONTAINER, DETACHING SUCCESSIVE SMALL PORTIONS OF THE MOLTEN ALUMINUM FROM THE OUTER ENDS OF THE OPENINGS, AND COOLING THE DETACHED PORTIONS OF THE ALUMINUM INTO SOLID SPHERICAL PARTICLES OF ALUMINUM SHOT.
Claim 2
Independent Claim
70 words
THE METHOD OF CONTINUOUSLY FORMING ALUMINUM SHOT, COMPRISING THE STEPS OF CONTINUOUSLY POURING MOLTEN ALUMINUM INTO A CONTAINER HAVING PERIPHERAL OPENINGS THERETHROUGH WHILE CONTINUALLY REVOLVING THE CONTAINER TO CENTRIFUGALLY FORCE THE MOLTEN ALUMINUM THROUGH SAID OPENINGS, REPEATEDLY JARRING THE CONTAINER, DETACHING SUCCESSIVE SMALL PORTIONS OF THE MOLTEN ALUMINUM FROM THE OUTER ENDS OF THE OPENINGS, AND COOLING THE DETACHED PORTIONS OF THE ALUMINUM INTO SOLID SPHERICAL PARTICLES OF ALUMINUM SHOT.
Claim 3
Dependent Claim
55 words
APPARATUS FOR PRODUCING METAL SHOT, COMPRISING THE COMBINATION OF CYLINDRICAL POT HAVING RADIALLY EXTENDING OPENINGS THROUGH ITS CYLINDRICAL SIDE, MEANS MOUNTING THE POT TO ROTATE ABOUT A VERTICAL AXIS, MEANS TO ROTATE THE POT, MEANS TO JAR THE POT AS IT REVOLVES, AND A CONDUIT FOR CONVEYING MOLTEN METAL TO THE INTERIOR OF SAID CONTAINER.
Claim 4
Dependent Claim
55 words
APPARATUS FOR PRODUCING METAL SHOT, COMPRISING THE COMBINATION OF CYLINDRICAL POT HAVING RADIALLY EXTENDING OPENINGS THROUGH ITS CYLINDRICAL SIDE, MEANS MOUNTING THE POT TO ROTATE ABOUT A VERTICAL AXIS, MEANS TO ROTATE THE POT, MEANS TO JAR THE POT AS IT REVOLVES, AND A CONDUIT FOR CONVEYING MOLTEN METAL TO THE INTERIOR OF SAID CONTAINER.
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |