US3398294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state stimulated raman effect amplifying system
Assignee: Siemens AG
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Filing: 1964-08-27
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Granted: 1968-08-20
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Groschwitz Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:52
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/04; H01S5/041; G; G02; G02F; G02F1/00; G02F1/35; G02F1/353; G02F1/3534; H01S5/30; H01S5/40; H01S5/4006; H01S5/50; H01S5/509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1185720B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |