US3397042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dislocation-free silicon single crystals
Assignee: Texas Instruments Inc
•
Filing: 1965-08-27
•
Granted: 1968-08-13
•
Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/30; C01; C01B; C01B33/00; C01B33/02; C30B13/00; C30B13/28; C30B13/30; C30B15/14; Y; Y10; Y10S; Y10S117/00; Y10S117/90; Y10S117/901; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1076; Y10T117/1084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA674121A
Cited
US2962363A
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US3036892A
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US2981687A
Cited
US3108169A
Cited
US3157472A
Cited
US3135585A
Cited
GB930432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |