US3492175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of doping semiconductor material
Assignee: Texas Instruments Inc
•
Filing: 1965-12-17
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Granted: 1970-01-27
•
Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Conrad
- 👤 Robert W Haisty
- 👤 Edward W Mehal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:32
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/20; H10P14/22; H10P14/24; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/34; H10P14/3402; H10P14/3414; H10P14/3421; H10P14/3438; H10P14/3441; H10P14/3444; H10P14/3446; Y; Y10; Y10S; Y10S148/00; Y10S148/04; Y10S148/049; Y10S148/056; Y10S148/065; Y10S252/00; Y10S252/95; Y10S252/951; Y10S438/00; Y10S438/914; Y10S438/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2778802A
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US3224913A
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US3342551A
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US3312570A
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US3312571A
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US3173814A
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US3226270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |