Patent US1493413A successfully refreshed from Google Patents.
Patent US3399359A successfully refreshed from Google Patents.
US3399359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid-state laser
Assignee: Raytheon Co
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Filing: 1965-03-01
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Granted: 1968-08-27
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Ott
- 👤 Robert S Congleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/04; H01S3/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A SOLID-STATE LASER, COMPRISING: A CYLINDRICAL ACTIVE LASER ROD HAVING A LONGITUDINAL AXIS; A PAIR OF REFLECTING ELEMENTS DISPOSED ABOUT SAID LASER ROD TO REFLECT LASER ENERGY THERETHROUGH ESSENTIALLY PARALLEL TO SAID AXIS, AT LEAST ONE OF SAID REFLECTING ELEMENT BEING PARTIALLY TRANSMISSIVE OF SAID LASER ENERGY: PUMP ENERGY MEANS INCLUDING A PUMP LAMP FOR PRODUCING LIGHT FREQUENCY PUMP ENERGY; PUMP CAVITY MEANS INCLUDING A PUMP CAVITY STRUCTURE HAVING A PUMPING CAVITY ENCLOSING SAID LAMP AND SAID LASER RROD FOR DIRECTING A PORTION OF SAID PUMP ENERGY AT SAID LASER ROD; THERMALLY CONDUCTIVE MEANS COUPLED TO A LONGITUDINAL PORTION OF THE SURFACE OF SAID LASER ROD FOR PROVIDING A BIDIRECTIONAL THERMALLY CONDUCTIVE PATH FOR SAID LASER ROD; AND A THIN LAYER OF A STABLE BRIGHT METAL DISPOSED BETWEEN AND WETTING SAID LASER ROD AND SAID CONDUCTIVE MEANS, SAID METAL HAVING A LASER ROD EFFICIENT OF THERMAL CONDUCTIVITY, A LOW VAPOR PRESSURE AND REMAINS IN A LIQUID STATE AT THE OPERATING TEMPERATURE OF SAID LASER ROD.
Claim 2
Dependent Claim
165 words
A SOLID-STATE LASER, COMPRISING: A CYLINDRICAL ACTIVE LASER ROD HAVING A LONGITUDINAL AXIS; A PAIR OF REFLECTING ELEMENTS DISPOSED ABOUT SAID LASER ROD TO REFLECT LASER ENERGY THERETHROUGH ESSENTIALLY PARALLEL TO SAID AXIS, AT LEAST ONE OF SAID REFLECTING ELEMENT BEING PARTIALLY TRANSMISSIVE OF SAID LASER ENERGY: PUMP ENERGY MEANS INCLUDING A PUMP LAMP FOR PRODUCING LIGHT FREQUENCY PUMP ENERGY; PUMP CAVITY MEANS INCLUDING A PUMP CAVITY STRUCTURE HAVING A PUMPING CAVITY ENCLOSING SAID LAMP AND SAID LASER RROD FOR DIRECTING A PORTION OF SAID PUMP ENERGY AT SAID LASER ROD; THERMALLY CONDUCTIVE MEANS COUPLED TO A LONGITUDINAL PORTION OF THE SURFACE OF SAID LASER ROD FOR PROVIDING A BIDIRECTIONAL THERMALLY CONDUCTIVE PATH FOR SAID LASER ROD; AND A THIN LAYER OF A STABLE BRIGHT METAL DISPOSED BETWEEN AND WETTING SAID LASER ROD AND SAID CONDUCTIVE MEANS, SAID METAL HAVING A LASER ROD EFFICIENT OF THERMAL CONDUCTIVITY, A LOW VAPOR PRESSURE AND REMAINS IN A LIQUID STATE AT THE OPERATING TEMPERATURE OF SAID LASER ROD.
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |