US3383251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming of semiconductor devices by masking and diffusion
Assignee: RCA Corp
•
Filing: 1965-12-10
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Granted: 1968-05-14
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph H Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:15
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23C; C23C10/00; C23C10/04; C23C16/00; C23C16/04; C23C16/042; C23C16/22; C23C16/30; C23C16/40; C23C16/401; C23C16/402; H10P14/00; H10P14/60; H10P14/63; H10P14/6326; H10P14/6328; H10P14/6334; H10P14/69; H10P14/692; H10P14/6921; H10P14/69215; H10P14/6922; H10P14/6923; H10W; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S438/00; Y10S438/942; Y10S438/943; Y10S438/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2931743A
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US3183129A
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US3183128A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |