Patent US3236103A successfully refreshed from Google Patents.
US3236103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for sampling molten metal
Assignee: United States Steel Corp
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Filing: 1963-09-12
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Granted: 1966-02-22
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Fred F Kooken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:40
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A METHOD OF SECURING A SOLIDIFIED SAMPLE OF MOLTEN METAL FROM A POOL THEREOF HAVING SLAG FLOATING ON ITS SURFACE, COMPRISING LOWERING BOTTOM FIRST INTO THE POOL A TUBULAR HOLDER HAVING A CLOSED BOTTOM, AN OPEN TOP AND A FILLING PORT INTERMEDIATE THE TOP AND BOTTOM, UNTIL SAID PORT IS BELOW THE SURFACE OF THE METAL, WHILE KEEPING THE TOP OF HOLDER ABOVE THE SURFACE OF THE SLAG, WHEREBY THE PORTION OF THE HOLDER ABOVE THE PORT PREVENTS THE ENTRY TOP OF THE HOLDER ABOVE THE SURFACE OF THE SLAG, WHEREBY THE OF SLAG, THEN, WHEN THE PORTION OF THE HOLDER BELOW THE PORT HAS BEEN FILLED WITH METAL, RAISING THE HOLDER ABOVE THE SURFACE OF THE POOL, PERMITTING ANY SLAG AND EXCESS METAL THEREIN TO ESCAPE THROUGH SAID PORT, AND THEN ALLOWING THE HOLDER AND THE METAL REMAINING THEREIN TO COOL UNTIL THE LATTER SOLIDIFIES.
Claim 2
Independent Claim
146 words
A METHOD OF SECURING A SOLIDIFIED SAMPLE OF MOLTEN METAL FROM A POOL THEREOF HAVING SLAG FLOATING ON ITS SURFACE, COMPRISING LOWERING BOTTOM FIRST INTO THE POOL A TUBULAR HOLDER HAVING A CLOSED BOTTOM, AN OPEN TOP AND A FILLING PORT INTERMEDIATE THE TOP AND BOTTOM, UNTIL SAID PORT IS BELOW THE SURFACE OF THE METAL, WHILE KEEPING THE TOP OF HOLDER ABOVE THE SURFACE OF THE SLAG, WHEREBY THE PORTION OF THE HOLDER ABOVE THE PORT PREVENTS THE ENTRY TOP OF THE HOLDER ABOVE THE SURFACE OF THE SLAG, WHEREBY THE OF SLAG, THEN, WHEN THE PORTION OF THE HOLDER BELOW THE PORT HAS BEEN FILLED WITH METAL, RAISING THE HOLDER ABOVE THE SURFACE OF THE POOL, PERMITTING ANY SLAG AND EXCESS METAL THEREIN TO ESCAPE THROUGH SAID PORT, AND THEN ALLOWING THE HOLDER AND THE METAL REMAINING THEREIN TO COOL UNTIL THE LATTER SOLIDIFIES.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |