US3273969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for growing fluoride crystals
Assignee: Lanteris Space LLC
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Filing: 1963-12-05
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Granted: 1966-09-20
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Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 Valdeko H Sirgo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:50
CPC Classifications
C; C30; C30B; C30B11/00; C30B29/00; C30B29/10; C30B29/12; Y; Y10; Y10T; Y10T117/00; Y10T117/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN AN APPARATUS FOR GROWING FLUORIDE CRYSTALS, A HORIZONTALLY-MOVABLE ASSEMBLY COMPRISING A HORIZONTALLYDISPOSED POROUS-WALLED CRYSTAL-GROWING INNER CHAMBER AND A SIMILARLY-DISPOSED OUTER CHAMBER, STATIONARY HEATING MEANS OUTSIDE SAID OUTER CHAMBER TO EFFECT CRYSTAL GROWTH IN SAID INNER CHAMBER AS SAID ASSEMBLY IS MOVED, MEANS FOR INTRODUCING REACTIVE GAS INTO SAID INNER CHAMBER AS AN AMBIENT FOR THE CRYSTAL GROWTH, THE POROSITY OF SAID INNER CHAMBER PERMITTING THE EXCESS OF SAID GAS TO DIFFUSE THROUGH THE WALL OF THE INNER CHAMBER INTO THE OUTER CHAMBER, AND MEANS FOR SEPARATELY INTRODUCING AND CONTINOUSLY FLOWING AN INERT GAS INTO AND THROUGH SAID OUTER CHAMBER TO PROTECT SAID INNER CHAMBER AND TO CARRY AWAY THE REACTIVE GAS THAT HAS ENTERED THE OUTER CHAMBER.
Claim 2
Dependent Claim
118 words
IN AN APPARATUS FOR GROWING FLUORIDE CRYSTALS, A HORIZONTALLY-MOVABLE ASSEMBLY COMPRISING A HORIZONTALLYDISPOSED POROUS-WALLED CRYSTAL-GROWING INNER CHAMBER AND A SIMILARLY-DISPOSED OUTER CHAMBER, STATIONARY HEATING MEANS OUTSIDE SAID OUTER CHAMBER TO EFFECT CRYSTAL GROWTH IN SAID INNER CHAMBER AS SAID ASSEMBLY IS MOVED, MEANS FOR INTRODUCING REACTIVE GAS INTO SAID INNER CHAMBER AS AN AMBIENT FOR THE CRYSTAL GROWTH, THE POROSITY OF SAID INNER CHAMBER PERMITTING THE EXCESS OF SAID GAS TO DIFFUSE THROUGH THE WALL OF THE INNER CHAMBER INTO THE OUTER CHAMBER, AND MEANS FOR SEPARATELY INTRODUCING AND CONTINOUSLY FLOWING AN INERT GAS INTO AND THROUGH SAID OUTER CHAMBER TO PROTECT SAID INNER CHAMBER AND TO CARRY AWAY THE REACTIVE GAS THAT HAS ENTERED THE OUTER CHAMBER.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |