US3418180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
p-n junction formation by thermal oxydation
Assignee: NCR Voyix Corp
•
Filing: 1965-06-14
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Granted: 1968-12-24
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Ku Han Ying
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
H; H10; H10P; H10P95/00; H10P14/00; H10P14/60; H10P14/63; H10P14/6302; H10P14/6304; H10P14/6306; H10P14/6308; H10P14/6309; H10P14/6322; H10P14/6326; H10P14/6328; H10P14/6334; H10P14/69; H10P14/692; H10P14/6921; H10P14/69215; H10P14/6922; H10P14/6923; H10P32/00; H10P32/10; H10P32/14; H10P32/1408; H10P32/141; H10P32/17; H10P32/171; Y; Y10; Y10S; Y10S148/00; Y10S148/037; Y10S148/043; Y10S148/049; Y10S148/07; Y10S148/078; Y10S148/117; Y10S148/118; Y10S148/144; Y10S148/157; Y10S438/00; Y10S438/914; Y10S438/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2203840A
Cited
US2462218A
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US2899344A
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US2953486A
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US3155551A
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US3085033A
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US3162557A
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US3183128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |