US3274667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of permanently contacting an electronic semiconductor
Assignee: Siemens and Halske AG
•
Filing: 1962-09-17
•
Granted: 1966-09-27
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Siebertz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
H; H10; H10W; H10W99/00; H10W72/00; H10W72/50; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524
Claims Analysis
Total Claims: 0
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US3115697A
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US3125803A
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |