Patent US3206286A successfully refreshed from Google Patents.
US3206286A
Expired / Lapsed
US
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Apparatus for growing crystals
Assignee: Westinghouse Electric Corp
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Filing: 1959-07-23
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Granted: 1965-09-14
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Allan I Bennett
- 👤 Richard L Longini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/36; C30B15/002; H; H10; H10P; H10P95/00; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1004; Y10T117/1008; Y10T117/1024; Y10T117/1032; Y10T117/1072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN APPARATUS FOR GROWING THIN FLAT DENDRITIC CRYSTALS OF ANY DESIRED LENGTH, IN COMBINATION, A CRUCIBLE CONTAINING A CONFINED MELT OF A MATERIAL FROM WHICH THE DENDRITE IS TO BE GROWN, ELECTRICAL HEATING MEANS ASSICIATED WITH THE CRUCIBLE FOR MAINTAINING A PREDETERMINED TEMPERATURE WITHIN THE MELT, AND ROLLER MEANS DISPOSED ABOVE THE CRUCIBLE, SAID ROLLER MEANS BEING COMPRISED OF TWO PAIRS OF ROLLERS, EACH PAIR CONSISTING OF TWO ROLLERS HAVING AN AXIS, AND A RIGID SHAFT PASSING THROUGH SAID AXIS, THE AXES OF EACH ROLLER BEING ANGULARYLY DISPLACED WITH RESPECT TO EACH OTHER AND INCLINED ABOVE THE HORIZONTAL, THE ROLLERS
Claim 2
Dependent Claim
100 words
IN APPARATUS FOR GROWING THIN FLAT DENDRITIC CRYSTALS OF ANY DESIRED LENGTH, IN COMBINATION, A CRUCIBLE CONTAINING A CONFINED MELT OF A MATERIAL FROM WHICH THE DENDRITE IS TO BE GROWN, ELECTRICAL HEATING MEANS ASSICIATED WITH THE CRUCIBLE FOR MAINTAINING A PREDETERMINED TEMPERATURE WITHIN THE MELT, AND ROLLER MEANS DISPOSED ABOVE THE CRUCIBLE, SAID ROLLER MEANS BEING COMPRISED OF TWO PAIRS OF ROLLERS, EACH PAIR CONSISTING OF TWO ROLLERS HAVING AN AXIS, AND A RIGID SHAFT PASSING THROUGH SAID AXIS, THE AXES OF EACH ROLLER BEING ANGULARYLY DISPLACED WITH RESPECT TO EACH OTHER AND INCLINED ABOVE THE HORIZONTAL, THE ROLLERS
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |