Patent US5893862A successfully refreshed from Google Patents.
US3159707A
Expired / Lapsed
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⏱️ 0.0 years remaining
Gas optical maser
Assignee: AT&T Inc
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Filing: 1962-06-15
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Granted: 1964-12-01
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr William R Bennett
- 👤 Javan Ali
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:20
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/22; H01S3/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN OPTICAL MASER COMPRISING MEANS FORMING AN ENCLOSED SPACE, A GASEOUS MIXTURE IN SAID SPACE, SAID MIXTURE INCLUDING A FIRST GAS AND A SECOND GAS, SAID FIRST GAS HAVING AN ENERGY SYSTEM CHARACTERIZED BY A METASTABLE ENERGY STATE ABOVE THE GROUND STATE, SAID SECOND GAS HAVING A POLYATOMIC MOLECULE CHARACTERIZED BY AT LEAST ONE REPULSIVE NEUTRAL EXCITED MOLECULAR ENERGY STATE, THE METASTABLE STATE OF SAID FIRST GAS BEING SUBSTANTIALLY MATCHED TO THE REPULSIVE STATE OF THE MOLECULE OF SAID SECOND GAS, THE MOLECULE OF SAID SECOND GAS INCLUDING AT LEAST ONE ATOM HAVING A PLURALITY OF ENERGY STATES ABOVE THE GROUND STATE, SAID REPULSIVE MOLECULAR ENERGY STATE TERMINATING IN AN UPPER ENERGY STATE OF SAID ATOM, MEANS FOR EXCITING SAID FIRST GAS TO ITS METASTABLE STATE FOR TRANSFERRING ENERGY BY RESONANT COLLISION PROCESSES TO SAID REPULSIVE MOLECULAR STATE OF SAID SECOND GAS AND BY DISSOCIATIVE TRANSFER TO SAID UPPER ENERGY STATE OF SAID ATOM WHEREBY A POPULATION INVERSION IS PRODUCED BETWEEN TWO OPTICALLY CONNECTED ENERGY STATES THEREOF, AND MEANS DEFINING A LIGHT BEAM PATH THROUGH THE GASEOUS MIXTURE IN SAID ENCLOSED SPACE.
Claim 2
Dependent Claim
182 words
AN OPTICAL MASER COMPRISING MEANS FORMING AN ENCLOSED SPACE, A GASEOUS MIXTURE IN SAID SPACE, SAID MIXTURE INCLUDING A FIRST GAS AND A SECOND GAS, SAID FIRST GAS HAVING AN ENERGY SYSTEM CHARACTERIZED BY A METASTABLE ENERGY STATE ABOVE THE GROUND STATE, SAID SECOND GAS HAVING A POLYATOMIC MOLECULE CHARACTERIZED BY AT LEAST ONE REPULSIVE NEUTRAL EXCITED MOLECULAR ENERGY STATE, THE METASTABLE STATE OF SAID FIRST GAS BEING SUBSTANTIALLY MATCHED TO THE REPULSIVE STATE OF THE MOLECULE OF SAID SECOND GAS, THE MOLECULE OF SAID SECOND GAS INCLUDING AT LEAST ONE ATOM HAVING A PLURALITY OF ENERGY STATES ABOVE THE GROUND STATE, SAID REPULSIVE MOLECULAR ENERGY STATE TERMINATING IN AN UPPER ENERGY STATE OF SAID ATOM, MEANS FOR EXCITING SAID FIRST GAS TO ITS METASTABLE STATE FOR TRANSFERRING ENERGY BY RESONANT COLLISION PROCESSES TO SAID REPULSIVE MOLECULAR STATE OF SAID SECOND GAS AND BY DISSOCIATIVE TRANSFER TO SAID UPPER ENERGY STATE OF SAID ATOM WHEREBY A POPULATION INVERSION IS PRODUCED BETWEEN TWO OPTICALLY CONNECTED ENERGY STATES THEREOF, AND MEANS DEFINING A LIGHT BEAM PATH THROUGH THE GASEOUS MIXTURE IN SAID ENCLOSED SPACE.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |