US3526205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for heat treatment of disc-shaped semiconductor bodies
Assignee: Siemens AG
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Filing: 1966-10-19
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Granted: 1970-09-01
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Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Rene Rosenheinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:04
CPC Classifications
C; C30; C30B; C30B35/00; C30B35/002; C30B31/00; C30B31/06; C30B31/14; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S118/00; Y10S118/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |