Patent US3242015A successfully refreshed from Google Patents.
US3242015A
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Apparatus and method for producing single crystal structures
Assignee: Monsanto Co
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Filing: 1963-09-24
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Granted: 1966-03-22
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Darrel M Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:02
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/003; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN APPARATUS FOR PRODUCING SINGLE CRYSTAL SUBSTANCES BY THE TEMPERATURE GRADIENT FREEZE METHD WHICH COMPRISES IN COMBINATION, A CRYSTALLIZING CONTAINER, A HEAT CONDUCTING ELEMENT SURROUNDING SAID CONTAINER AND BEING IN HEAT EXCHANGE RELATION THERETO, A HEAT INSULATING MEMBER SURROUNDING SAID HEAT CONDUCTING ELEMENT TO PREVENT HEAT RADIATION FROM THE LONGITUDINAL SURFACE OF SAID CRYSTALLIZING CONTAINER, AND HEATING MEANS SURROUNDING SAID HEAT CONDUCTING ELEMENT TO APPLY A UNIFORM TEMPERATURE GRADIENT ACROSS SAID CRYSTALLIZING CONTAINER, SAID HEAT CONDUCTING ELEMENT HAVING A TERMINAL END WHICH EXTENDS BEYOND ONE TRANSVERSE END OF THE HEAT INSULATING MEMBER, THE TERMINAL END OF SAID ELEMENT HAVING A LENGTH SUFFICIENT TO DRAW HEAT FROM THE HEATING MEANS FOR TRANSMITTING THE HEAT ACROSS THE LENGTH OF THE HEAT CONDUCTING ELEMENT.
Claim 2
Independent Claim
121 words
AN APPARATUS FOR PRODUCING SINGLE CRYSTAL SUBSTANCES BY THE TEMPERATURE GRADIENT FREEZE METHD WHICH COMPRISES IN COMBINATION, A CRYSTALLIZING CONTAINER, A HEAT CONDUCTING ELEMENT SURROUNDING SAID CONTAINER AND BEING IN HEAT EXCHANGE RELATION THERETO, A HEAT INSULATING MEMBER SURROUNDING SAID HEAT CONDUCTING ELEMENT TO PREVENT HEAT RADIATION FROM THE LONGITUDINAL SURFACE OF SAID CRYSTALLIZING CONTAINER, AND HEATING MEANS SURROUNDING SAID HEAT CONDUCTING ELEMENT TO APPLY A UNIFORM TEMPERATURE GRADIENT ACROSS SAID CRYSTALLIZING CONTAINER, SAID HEAT CONDUCTING ELEMENT HAVING A TERMINAL END WHICH EXTENDS BEYOND ONE TRANSVERSE END OF THE HEAT INSULATING MEMBER, THE TERMINAL END OF SAID ELEMENT HAVING A LENGTH SUFFICIENT TO DRAW HEAT FROM THE HEATING MEANS FOR TRANSMITTING THE HEAT ACROSS THE LENGTH OF THE HEAT CONDUCTING ELEMENT.
References Cited (Backward Citations)
US2475810A
Cited
US2789039A
Cited
US2871377A
Cited
US2837618A
Cited
US2902350A
Cited
US3012865A
Cited
US3121619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |