US3225416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a transistor containing a multiplicity of depressions
Assignee: Infineon Technologies Americas Corp
•
Filing: 1962-03-09
•
Granted: 1965-12-28
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edward J Diebold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:05
CPC Classifications
H; H10; H10W; H10W99/00; H10D; H10D99/00; H10P; H10P95/00; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/132; H10W76/138; Y; Y10; Y10S; Y10S438/00; Y10S438/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3022568A
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US3108914A
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US3109760A
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |