US3418181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a semiconductor by masking and diffusing
Assignee: Motorola Solutions Inc
•
Filing: 1965-10-20
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Granted: 1968-12-24
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Peter T Rebinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/43; H10D; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/036; Y10S148/043; Y10S148/06; Y10S148/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3067485A
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US2995473A
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US3145447A
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US3140965A
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US3223904A
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US3183128A
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US3226614A
Cited
US3194701A
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US3235428A
Cited
US3316131A
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 |