US2851341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and equipment for growing crystals
Assignee: Individual
•
Filing: 1953-07-08
•
Granted: 1958-09-09
•
Expires: 1973-07-08
Abstract
No abstract record available.
Inventors
- 👤 Shirley I Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:49
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/30; C30B15/02; C30B15/04; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1032; Y10T117/1056; Y10T117/1072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
APPRATUS FOR GROWING A CRYSTAL OF SEMI-CONDUCTIVE MATERIAL COMPRISING RECEPTACLE MEANS HAVING A CAVITY TO RECEIVE A CHARGE OF MATERIAL FROM WHICH THE CRYSTAL IS TO BE FORMED, MEANS FOR HEATING SAID CHARGE OF MATERIAL, SEED CARRIER MEANS ADAPTED TO CARRY A SEEL OF CRYSTAL GROWING MATERIAL, MOUNTING MEANS FOR RIGIDLY MOUNTING SAID SEED CARRIER MEANS RELATIVE TO SAID RECEPTACLE MEANS INCLUDING VARIABLE COUPLING MEANS TO PROVIDE CONTROLLED
Claim 2
Dependent Claim
68 words
APPRATUS FOR GROWING A CRYSTAL OF SEMI-CONDUCTIVE MATERIAL COMPRISING RECEPTACLE MEANS HAVING A CAVITY TO RECEIVE A CHARGE OF MATERIAL FROM WHICH THE CRYSTAL IS TO BE FORMED, MEANS FOR HEATING SAID CHARGE OF MATERIAL, SEED CARRIER MEANS ADAPTED TO CARRY A SEEL OF CRYSTAL GROWING MATERIAL, MOUNTING MEANS FOR RIGIDLY MOUNTING SAID SEED CARRIER MEANS RELATIVE TO SAID RECEPTACLE MEANS INCLUDING VARIABLE COUPLING MEANS TO PROVIDE CONTROLLED
References Cited (Backward Citations)
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Cited
US2591561A
Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |