US3292915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for degassing molten metal
Assignee: A Finkel & Sons Co
•
Filing: 1962-03-06
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Granted: 1966-12-20
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Finkl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:33
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN COMBINATION IN AN APPARATUS FOR DEGASSING MOLTEN METAL, A VACUUM ENCLOSURE WHICH INCLUDES MEANS FOR SUPPORTING A CONTAINER OF UNDEGASSED MOLTEN METAL, MEANS FOR EXPOSING THE INTERIOR OF THE VACUUM ENCLOSURE TO A SOURCE OF VACUUM, MOLTEN METAL RECEPTACLE MEANS WITHIN THE VACUUM ENCLOSURE, SAID CONTAINER OF UNDEGASSED MOLTEN METAL HAVING DISCHARGE OUTLET MEANS IN SEALED, STREAMING COMMUNICATION WITH SAID VACUUM ENCLOSURE, SAID MEANS FOR SUPPORTING THE CONTAINER OF UNDERGASSED MOLTEN METAL INCLUDING MEANS FOR POSITIONING THE DISCHARGE OUTLET MEANS ABOVE THE VACUUM ENCLOSURE
Claim 2
Dependent Claim
85 words
IN COMBINATION IN AN APPARATUS FOR DEGASSING MOLTEN METAL, A VACUUM ENCLOSURE WHICH INCLUDES MEANS FOR SUPPORTING A CONTAINER OF UNDEGASSED MOLTEN METAL, MEANS FOR EXPOSING THE INTERIOR OF THE VACUUM ENCLOSURE TO A SOURCE OF VACUUM, MOLTEN METAL RECEPTACLE MEANS WITHIN THE VACUUM ENCLOSURE, SAID CONTAINER OF UNDEGASSED MOLTEN METAL HAVING DISCHARGE OUTLET MEANS IN SEALED, STREAMING COMMUNICATION WITH SAID VACUUM ENCLOSURE, SAID MEANS FOR SUPPORTING THE CONTAINER OF UNDERGASSED MOLTEN METAL INCLUDING MEANS FOR POSITIONING THE DISCHARGE OUTLET MEANS ABOVE THE VACUUM ENCLOSURE
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |