Patent US4660560A successfully refreshed from Google Patents.
US3102920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser pumping technique using an internal pumping source
Assignee: Individual
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Filing: 1961-08-08
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Granted: 1963-09-03
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Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 Janis A Sirons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:28
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A DEVICE FOR THE PRODUCTION OF COHERENT LIGHT COMPRISING A BODY OF A SOLID TRANSPARENT MATERIAL CAPABLE OF THE STIMULATED EMISSION OF OPTICAL RADIATION, A PASSAGEWAY THROUGH SAID BODY, A SOURCE OF PUMPING LIGHT IN SAID PASSAGEWAY, A COATING PRODUCING TOTAL INTERNAL REFLECTION OF LIGHT OVER SUBSTANTIALLY THE ENTIRE SURFACE OF SAID BODY INCLUDING THE SURFACE OF SAID PASSAGEWAY, EXCEPT FOR THAT PART OF THE PASSAGEWAY SURFACE OPPOSITE SAID PUMPING LIGHT SOURCE WHICH IS LEFT TRANSPARENT TO PERMIT ENTRY OF PUMPING LIGHT INTO SAID BODY, AND A PARTIALLY TRANSMITTING PARTIALLY INTERNALLY REFLECTING WINDOW IN SAID COATING ON AN OUTER SURFACE OF SAID BODY THROUGH WHICH THE COHERENT LIGHT EMERGES.
Claim 2
Independent Claim
109 words
A DEVICE FOR THE PRODUCTION OF COHERENT LIGHT COMPRISING A BODY OF A SOLID TRANSPARENT MATERIAL CAPABLE OF THE STIMULATED EMISSION OF OPTICAL RADIATION, A PASSAGEWAY THROUGH SAID BODY, A SOURCE OF PUMPING LIGHT IN SAID PASSAGEWAY, A COATING PRODUCING TOTAL INTERNAL REFLECTION OF LIGHT OVER SUBSTANTIALLY THE ENTIRE SURFACE OF SAID BODY INCLUDING THE SURFACE OF SAID PASSAGEWAY, EXCEPT FOR THAT PART OF THE PASSAGEWAY SURFACE OPPOSITE SAID PUMPING LIGHT SOURCE WHICH IS LEFT TRANSPARENT TO PERMIT ENTRY OF PUMPING LIGHT INTO SAID BODY, AND A PARTIALLY TRANSMITTING PARTIALLY INTERNALLY REFLECTING WINDOW IN SAID COATING ON AN OUTER SURFACE OF SAID BODY THROUGH WHICH THE COHERENT LIGHT EMERGES.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |