US2776206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for introducing low-boiling substances into molten metal
Assignee: Huntington Alloys Corp
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Filing: 1954-07-23
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Granted: 1957-01-01
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Klingbeil Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:19
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE PROCESS FOR INTRODUCING INTO MOLTEN METAL AN ADDITION AGENT HAVING A LOW VAPORIZATION TEMPERATURE WHICH COMPRISES PLUNGING INTO A BATH OF MOLTEN METAL A METALLIC AGENT HAVING A VAPORIZATION TEMPERATURE BELOW THE TEMPERATURE OF SAID BATH OF MOLTEN METAL AND RESTRICTING THE EXPANSION OF THE GAS RESULTING FROM VAPORIZATION OF SAID AGENT AT THE TEMPERATURE OF SAID MOLTEN METAL SUCH THAT THE PRESSURE UPON SAID BATH OF MOLTEN METAL IS
Claim 2
Dependent Claim
71 words
THE PROCESS FOR INTRODUCING INTO MOLTEN METAL AN ADDITION AGENT HAVING A LOW VAPORIZATION TEMPERATURE WHICH COMPRISES PLUNGING INTO A BATH OF MOLTEN METAL A METALLIC AGENT HAVING A VAPORIZATION TEMPERATURE BELOW THE TEMPERATURE OF SAID BATH OF MOLTEN METAL AND RESTRICTING THE EXPANSION OF THE GAS RESULTING FROM VAPORIZATION OF SAID AGENT AT THE TEMPERATURE OF SAID MOLTEN METAL SUCH THAT THE PRESSURE UPON SAID BATH OF MOLTEN METAL IS
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |