Patent US2813811A successfully refreshed from Google Patents.
US2813811A
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High strength crystals
Assignee: General Electric Co
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Filing: 1954-11-22
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Granted: 1957-11-19
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Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:25
CPC Classifications
C; C23; C23C; C23C14/00; C30; C30B; C30B29/00; C30B29/60; C30B29/62; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD FOR PRODUCING HICH STRENGTH NEAR-PERFECT SINGLE CRYSTALS BY DEPOSITION FROM THE VAPOR PHASE COMPRISING THE STEPS OF VAPORIZING THE MATERIAL TO BE DEPOSITED, EXPOSING A SUITABLE SUBSTRATE TO CONTACT WITH THE VAPOR, CONTROLLING THE DEGREE OF SUPERSATURATION OF THE VAPOR BY THE ADJUSTMENT OF THE TEMPERATURE OF THE VAPOR ACCORDING TO THE EQUATION
Claim 2
Independent Claim
55 words
A METHOD FOR PRODUCING HICH STRENGTH NEAR-PERFECT SINGLE CRYSTALS BY DEPOSITION FROM THE VAPOR PHASE COMPRISING THE STEPS OF VAPORIZING THE MATERIAL TO BE DEPOSITED, EXPOSING A SUITABLE SUBSTRATE TO CONTACT WITH THE VAPOR, CONTROLLING THE DEGREE OF SUPERSATURATION OF THE VAPOR BY THE ADJUSTMENT OF THE TEMPERATURE OF THE VAPOR ACCORDING TO THE EQUATION
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) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |