US3041508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunnel diode and method of its manufacture
Assignee: Siemens Schuckertwerke AG
•
Filing: 1960-11-30
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Granted: 1962-06-26
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Henkel Hans-Joachim
- 👤 Gremmelmaier Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:05
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/60; H10D8/00; H10D8/70; H10D99/00; H10P; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S438/00; Y10S438/979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |