US3098741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for effecting crucibleless melting of materials and production of shaped bodies therefrom
Assignee: Wacker Chemie AG
•
Filing: 1959-03-31
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Granted: 1963-07-23
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Enk Eduard
- 👤 Nickl Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:10
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A PROCESS FOR THE MELTING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICON AND GERMANIUM AND SHAPING BODIES THEREFROM, THE STEPS OF PROVIDING A DOWN WARDLY FREE HANGING FUSED BODY OF SUCH MATERIAL, AT THE LOWER END OF A SOLID BODY OF SUCH MATERIAL, SAID FREE HANGING FUSED BODY BEING SURROUNDED AT ITS BOTTOM WITH A LIQUID IN WHICH THE MATERIAL OF SAID FUSED BODY IS SUBSTANTIALLY IMMISCIBLE, SUPPLYING, IN SAID FORM, FURTHER MATERIAL FROM WHICH THE BODY IS TO BE SHAPED TO THE SURFACE OF THE FREE HANGING FUSED BODY AT THE LOWER END OF THE SOLID BODY FROM AN EXTERNAL SOURCE THROUGH THE SURROUNDING LIQUID MEDIUM AND FUSING SAID FURTHER MATERIAL IN CONTACT WITH SAID FUSED BODY.
Claim 2
Dependent Claim
122 words
IN A PROCESS FOR THE MELTING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICON AND GERMANIUM AND SHAPING BODIES THEREFROM, THE STEPS OF PROVIDING A DOWN WARDLY FREE HANGING FUSED BODY OF SUCH MATERIAL, AT THE LOWER END OF A SOLID BODY OF SUCH MATERIAL, SAID FREE HANGING FUSED BODY BEING SURROUNDED AT ITS BOTTOM WITH A LIQUID IN WHICH THE MATERIAL OF SAID FUSED BODY IS SUBSTANTIALLY IMMISCIBLE, SUPPLYING, IN SAID FORM, FURTHER MATERIAL FROM WHICH THE BODY IS TO BE SHAPED TO THE SURFACE OF THE FREE HANGING FUSED BODY AT THE LOWER END OF THE SOLID BODY FROM AN EXTERNAL SOURCE THROUGH THE SURROUNDING LIQUID MEDIUM AND FUSING SAID FURTHER MATERIAL IN CONTACT WITH SAID FUSED BODY.
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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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |