US3232716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for pulling monocrystalline semiconductor rods
Assignee: Siemens and Halske AG
•
Filing: 1960-12-19
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Granted: 1966-02-01
•
Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Quast Hans-Friedrich
- 👤 Rummel Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:45
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/14; Y; Y10; Y10S; Y10S117/00; Y10S117/90; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1032; Y10T117/1064; Y10T117/1068; Y10T117/1072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2972525A
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US2814707A
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US2855335A
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US2927008A
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US2876324A
Cited
US2961305A
Cited
DE1094711B
Cited
US3096158A
Cited
US2992311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |