US3386893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing semiconductor members by alloying metal into a semiconductor body
Assignee: Siemens AG
•
Filing: 1963-09-13
•
Granted: 1968-06-04
•
Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Hornig Martin
- 👤 Seiter Hartmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47; C; C25; C25D; C25D7/00; C25D7/12; H10P32/00; H10P32/10; H10P32/12; H10P32/16; H10P32/17; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/973
Claims Analysis
Total Claims: 0
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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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |