US2978765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for alloying molten metals
Assignee: Cleveland Electro Metals Co
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Filing: 1957-06-13
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Granted: 1961-04-11
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Expires: 1977-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:25
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/06; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222; Y10T428/12229; Y10T428/12271; Y10T428/12361; Y10T428/12389
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
145 words
THE METHOD OF TREATING STEEL AS IT IS POURED INTO AN INGOT MOLD COMPRISING THE STEPS OF SUPPORTING AN ELONGATED ALUMINUM BAR IN THE INGOT MOLD IN SUCH A MANNER THAT THE SIDES OF THE BAR ARE SUBSTANTIALLY SPACED FROM THE SIDES AND ENDS OF THE INGOT MOLD AND WITH ITS LONGITUDINAL AXIS GENERALLY VERTICAL AND CONTINUOUSLY POURING STEEL INTO THE INGOT MOLD IN SUCH A MANNER THAT THE STREAM OF MOLTEN STEEL DOES NOT CONTACT THE BAR TO CONTINUOUSLY FILL THE INGOT MOLD, THE SIDE SURFACE AREA OF THE BAR AND THE FILL RATE OF THE MOLTEN STEEL IN THE INGOT MOLD BEING DEFINED BY THE FOLLOWING APPROXIMATE RELATIONSHIP: S.A.=+.123 F.R., WHERE S.A. EQUALS THE SURFACE ARE (NEGLECTING THE END CROSS SECTIONAL AREA) OF THE BAR PER POUND OF ALUMINUM, AND F.R. EQUALS THE FILL RATE OF THE INGOT MOLD IN INCHES PER MINUTES.
Claim 2
Independent Claim
145 words
THE METHOD OF TREATING STEEL AS IT IS POURED INTO AN INGOT MOLD COMPRISING THE STEPS OF SUPPORTING AN ELONGATED ALUMINUM BAR IN THE INGOT MOLD IN SUCH A MANNER THAT THE SIDES OF THE BAR ARE SUBSTANTIALLY SPACED FROM THE SIDES AND ENDS OF THE INGOT MOLD AND WITH ITS LONGITUDINAL AXIS GENERALLY VERTICAL AND CONTINUOUSLY POURING STEEL INTO THE INGOT MOLD IN SUCH A MANNER THAT THE STREAM OF MOLTEN STEEL DOES NOT CONTACT THE BAR TO CONTINUOUSLY FILL THE INGOT MOLD, THE SIDE SURFACE AREA OF THE BAR AND THE FILL RATE OF THE MOLTEN STEEL IN THE INGOT MOLD BEING DEFINED BY THE FOLLOWING APPROXIMATE RELATIONSHIP: S.A.=+.123 F.R., WHERE S.A. EQUALS THE SURFACE ARE (NEGLECTING THE END CROSS SECTIONAL AREA) OF THE BAR PER POUND OF ALUMINUM, AND F.R. EQUALS THE FILL RATE OF THE INGOT MOLD IN INCHES PER MINUTES.
Claim 3
Dependent Claim
72 words
IN AN ALUMINUM BAR FOR THE TREATING OF STEEL AS IT IS POURED INTO AN INGOT MOLD, THE IMPROVEMENT WHICH COMPRISED: AN ELONGATED ALUMINUM MEMBER HAVING A WEIGHT PER FOOL OF FROM 2.80 TO 7 POUNDS, AND A SURFACE AREA PER POUND OF ALUMINUM RELATED TO THE FILL RATE OF AN INGOT MOLD IN INCHES PER MINUTE, AS APPROXIMATELY DEFINED BY THE FOLLOWING FORMULA: SURFACE AREA EQUALS 18+.123 TIMES THE FILL RATE.
Claim 4
Dependent Claim
72 words
IN AN ALUMINUM BAR FOR THE TREATING OF STEEL AS IT IS POURED INTO AN INGOT MOLD, THE IMPROVEMENT WHICH COMPRISED: AN ELONGATED ALUMINUM MEMBER HAVING A WEIGHT PER FOOL OF FROM 2.80 TO 7 POUNDS, AND A SURFACE AREA PER POUND OF ALUMINUM RELATED TO THE FILL RATE OF AN INGOT MOLD IN INCHES PER MINUTE, AS APPROXIMATELY DEFINED BY THE FOLLOWING FORMULA: SURFACE AREA EQUALS 18+.123 TIMES THE FILL RATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |