US2967095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming single crystal in cylindrical form
Assignee: General Electric Co
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Filing: 1958-07-25
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Granted: 1961-01-03
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Carlyle S Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:21
CPC Classifications
C; C30; C30B; C30B13/00; C30B29/00; C30B29/60; C30B29/66; Y; Y10; Y10S; Y10S117/00; Y10S117/90; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE METHOD OF GROWING A SINGLE CRYSTAL CYLINDER FROM A POLYCRYSTALLINE CYLINDER WHICH COMPRISES, MAINTAINING THE CYLINDER IN A SUBSTANTIALLY HORIZONTAL PLANE, PROVIDING A CONTROLLED ATMOSPHERE ABOUT THE CYLINDER, PROVIDING NON-CONTAMINATING SUPPORT FOR SAID CYLINDER, SUPPORTING THE CYLINDER FOR ROTATION, REDUCING A SINGLE LONGITUDINAL HORIZONTAL SECTION OF THE CYLINDER TO THE
Claim 2
Independent Claim
51 words
THE METHOD OF GROWING A SINGLE CRYSTAL CYLINDER FROM A POLYCRYSTALLINE CYLINDER WHICH COMPRISES, MAINTAINING THE CYLINDER IN A SUBSTANTIALLY HORIZONTAL PLANE, PROVIDING A CONTROLLED ATMOSPHERE ABOUT THE CYLINDER, PROVIDING NON-CONTAMINATING SUPPORT FOR SAID CYLINDER, SUPPORTING THE CYLINDER FOR ROTATION, REDUCING A SINGLE LONGITUDINAL HORIZONTAL SECTION OF THE CYLINDER TO THE
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |