US3366892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state laser mode selection means
Assignee: International Business Machines Corp
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Filing: 1963-03-26
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Granted: 1968-01-30
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 James W Crowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:00
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08018; H01S3/0804; H01S3/0805; H01S3/081; H01S3/082; H01S3/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A SOLID STATE DEVICE FOR PRODUCING A SELECTED MODE OF RADIATION GENERATED BY STIMULATED EMISSION, THE COMBINATION COMPRISING: MEANS FOR INDUCING STIMULATED EMISSION OF RADIATION, INCLUDING A SOURCE OF PUMPING ENERGY AND A SOLID STATE ACTIVE MEDIUM ADAPTED TO EMIT RADIATION BY STIMULATION WHEN ACTED UPON BY PUMPING ENERGY FROM SAID SOURCE; AND RESONANT CAVITY MEANS FOR EFFECTING MULTIPLE AMPLIFICATION OF A SELECTED MODE OF SAID RADIATION, COMPRISING FIRST AND SECOND CONCURRENT RESONATING MEANS, EMBRACING SAID MEDIUM, SAID FIRST RESONATING MEANS COMPRISING A PARALLEL PLATE RESONATOR, AND SAID SECOND RESONATING MEANS COMPRISING ONE PLATE OF SAID PARALLEL PLATE RESONATOR AND A REFRACTING LENS AND A PLANE REFLECTOR, SAID LENS BEING POSITIONED OUTSIDE SAID PARALLEL PLATE RESONATOR AND WITHIN SAID SECOND RESONATING MEANS AND SAID PLANE REFLECTOR BEING POSITIONED APPROXIMATELY AT THE FOCAL POINT OF SAID LENS.
Claim 2
Dependent Claim
137 words
IN A SOLID STATE DEVICE FOR PRODUCING A SELECTED MODE OF RADIATION GENERATED BY STIMULATED EMISSION, THE COMBINATION COMPRISING: MEANS FOR INDUCING STIMULATED EMISSION OF RADIATION, INCLUDING A SOURCE OF PUMPING ENERGY AND A SOLID STATE ACTIVE MEDIUM ADAPTED TO EMIT RADIATION BY STIMULATION WHEN ACTED UPON BY PUMPING ENERGY FROM SAID SOURCE; AND RESONANT CAVITY MEANS FOR EFFECTING MULTIPLE AMPLIFICATION OF A SELECTED MODE OF SAID RADIATION, COMPRISING FIRST AND SECOND CONCURRENT RESONATING MEANS, EMBRACING SAID MEDIUM, SAID FIRST RESONATING MEANS COMPRISING A PARALLEL PLATE RESONATOR, AND SAID SECOND RESONATING MEANS COMPRISING ONE PLATE OF SAID PARALLEL PLATE RESONATOR AND A REFRACTING LENS AND A PLANE REFLECTOR, SAID LENS BEING POSITIONED OUTSIDE SAID PARALLEL PLATE RESONATOR AND WITHIN SAID SECOND RESONATING MEANS AND SAID PLANE REFLECTOR BEING POSITIONED APPROXIMATELY AT THE FOCAL POINT OF SAID LENS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |