US2923606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of growing quartz single crystals and seed body therefor
Assignee: Clevite Corp
•
Filing: 1955-09-06
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Granted: 1960-02-02
•
Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Danforth R Hale
- 👤 Jacob M Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:29
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902; Y10S148/00; Y10S148/115; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF GROWING A QUARTZ SINGLE CRYSTAL IN A PREDETERMINED CHEMICAL AND PHYSICAL ENVIRONMENT WHICH PROMOTES QUARTZ CRYSTAL GROWTH, WHICH METHOD COMPRISES THE STEPS OF: PROVIDING A QUARTZ SEED CONSISTING OF A (YZW)$ CUT QUARTZ PLATE WHERE $ IS THE ANGLE SAID PLATE MAKES WITHS THE CRYSTALLOGRAPHIC Z-AXIS AND IS WITHIN THE RANGE $70* $7*, SUPPORTING THE SEED PLATE UNCONFINED
Claim 2
Independent Claim
61 words
A METHOD OF GROWING A QUARTZ SINGLE CRYSTAL IN A PREDETERMINED CHEMICAL AND PHYSICAL ENVIRONMENT WHICH PROMOTES QUARTZ CRYSTAL GROWTH, WHICH METHOD COMPRISES THE STEPS OF: PROVIDING A QUARTZ SEED CONSISTING OF A (YZW)$ CUT QUARTZ PLATE WHERE $ IS THE ANGLE SAID PLATE MAKES WITHS THE CRYSTALLOGRAPHIC Z-AXIS AND IS WITHIN THE RANGE $70* $7*, SUPPORTING THE SEED PLATE UNCONFINED
References Cited (Backward Citations)
US2558745A
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US2284753A
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US2442755A
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US2508208A
Cited
US2674520A
Cited
US2675303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |