Patent US3519598A successfully refreshed from Google Patents.
US2494552A
Expired / Lapsed
US
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Condensing zinc vapor
Assignee: New Jersey Zinc Co
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Filing: 1948-11-19
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Granted: 1950-01-17
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 George T Mahler
- 👤 Erwin C Handwerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:25
CPC Classifications
C; C22; C22B; C22B19/00; C22B19/04; C22B19/16; C22B19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A CONDENSER FOR ZINC VAPOR COMPRISING A CLOSED VESSEL HAVING A ZINC VAPOR INLET AND A GAS OUTLET, A SCREW LIFT DISPOSED VERTICALLY WITHIN THE VESSEL AND PROVIDED PERIPHERALLY WITH A RETAINING WALL CAPABLE OF PERMITTING RADIAL DISCHARGE THEREFROM OF MOLTEN ZINC RAISED BY THE LIFT, THE SCREW LIFT BEING ADAPTED WHEN ROTATED TO RAISE MOLTEN ZINC FROM A BODY THEREOF IN COMMUNICATION WITH THE LOWER END OF THE LIFT, AND MEANS FOR ROTATING THE LIFT SO AS TO RAISE MOLTEN ZINC FROM SAID BODY THEREOF AND THROW THE RAISED MOLTEN ZINC RADIALLY OUTWARDLY AWAY FROM THE RETAINING WALL INTO THE VESSEL ABOVE THE BODY OF MOLTEN ZINC THEREIN.
Claim 2
Dependent Claim
109 words
A CONDENSER FOR ZINC VAPOR COMPRISING A CLOSED VESSEL HAVING A ZINC VAPOR INLET AND A GAS OUTLET, A SCREW LIFT DISPOSED VERTICALLY WITHIN THE VESSEL AND PROVIDED PERIPHERALLY WITH A RETAINING WALL CAPABLE OF PERMITTING RADIAL DISCHARGE THEREFROM OF MOLTEN ZINC RAISED BY THE LIFT, THE SCREW LIFT BEING ADAPTED WHEN ROTATED TO RAISE MOLTEN ZINC FROM A BODY THEREOF IN COMMUNICATION WITH THE LOWER END OF THE LIFT, AND MEANS FOR ROTATING THE LIFT SO AS TO RAISE MOLTEN ZINC FROM SAID BODY THEREOF AND THROW THE RAISED MOLTEN ZINC RADIALLY OUTWARDLY AWAY FROM THE RETAINING WALL INTO THE VESSEL ABOVE THE BODY OF MOLTEN ZINC THEREIN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |