US3501336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for etching single crystal silicon substrates and depositing silicon thereon
Assignee: Texas Instruments Inc
•
Filing: 1967-12-11
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Granted: 1970-03-17
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence D Dyer
- 👤 Ronald C Bracken
- 👤 Guy W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:17
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/02; C30B29/06; C30B33/00; C30B33/08; C30B33/12; Y; Y10; Y10S; Y10S148/00; Y10S148/007; Y10S148/051; Y10S148/054; Y10S438/00; Y10S438/974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3243323A
Cited
US3370995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |