US3217378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing an electronic semiconductor device
Assignee: Siemens Schuckertwerke AG
•
Filing: 1962-03-30
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Granted: 1965-11-16
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Reuschel Konrad
- 👤 Keller Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:35
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; C; C30; C30B; C30B23/00; H10D; H10D99/00; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; H10P14/3414; H10P14/3418; H10P14/3421; H10P32/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA638235A
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US2928162A
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US3076731A
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US3065113A
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US3135585A
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |