Patent US3560872A successfully refreshed from Google Patents.
US3560872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical solid body light amplifier
Assignee: SGL Group GmbH Werk Ringsdorf
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Filing: 1966-02-10
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Granted: 1971-02-02
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Expires: 1986-02-10
Abstract
Abstract A SOLID-STATE LASER HAVING A PLURALITY OF A CLOSELY SPACED AND SUCCESSIVE ELONGATE PORTIONS OF SELECTIVELY FLUORESCENT MATERIAL DEFINING A BODY ELEMENT WITH POLISHED AND REFLECTIVE OPPOSITE LONGITUDINAL ENDS. MEANS ARE PROVIDED FOR SUPPORTING THE BODY ELEMENT FOR ROTATION ABOUT AN AXIS OF ROTATION PAST A SOURCE OF EXCITATION LIGHT SO THAT AN INTERNAL REFLECTION BETWEEN THE REFLECTIVE LONGITUDINAL ENDS IS INITIATED TO THEREBY RESULT IN THE PRODUCTION OF A MONOCHROMATIC COHERENT LIGHT IN A DIRECTION LONGITUDINALLY OF THE SUCCESSIVE ELONGATE PORTIONS.
Inventors
- 👤 Conrad Heimann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:20
CPC Classifications
F; F21; F21K; F21K2/00; H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/07; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/0602
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |