US3513035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device process for reducing surface recombination velocity
Assignee: Fairchild Semiconductor Corp
•
Filing: 1967-11-01
•
Granted: 1970-05-19
•
Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Desmond J Fitzgerald
- 👤 Andrew S Grove
- 👤 Edward H Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/60; H01; H01J; H01J9/00; H01J9/20; H01J9/233; H10D10/00; H10P; H10P34/00; H10P34/40; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3174882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |