US3488835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor fabrication method
Assignee: RCA Corp
•
Filing: 1967-11-01
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Granted: 1970-01-13
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Hans Becke
- 👤 Eric F Cave
- 👤 Daniel Stolnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:06
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D99/00; H10P; H10P10/00; H10P10/12; H10P10/128; H10P32/00; H10P32/10; H10P32/14; H10P32/1408; H10P32/1414; H10P32/17; H10P32/171; H10P54/00; H10P95/00; H10W40/00; H10W40/10; H10W40/20; H10W40/22; H10W74/00; H10W74/10; H10W74/131; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/012; Y10S148/085
Claims Analysis
Total Claims: 0
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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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |