US3136959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
culver
Assignee: —
•
Filing: —
•
Granted: 1964-06-09
•
Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08018; H01S3/08022; H01S3/08031; H01S3/08036; H01S5/00; H01S5/04; H01S5/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR OBTAINING SIMULATED COHERENT ELECTROMAGNETIC ENERGY IN THE OPTICAL BAND OF FREQUENCIES COMPRISING A RESORANT CAVITY HAVING OPPOSING END WALLS, MEANS SUPPLYING TO SAID CAVITY AN ENSEMBLE OF OSCILLATING PARTICLES HAVING AN INVERTED POPULATION DISTRIBUTION BETWEEN AT LEAST TWO DIFFERENT ENERGY STATES CAPABLE OF RADIATING ENERGY OF A FREQUENCY RELATED TO THE DIFFERENCE IN ENERGY BETWEEN SAID ENERGY STATES, SAID RESONANT CAVITY BEING OF HIGH Q AT SAID FREQUENCY, AND A PLURALITY OF PATTERNED REFLECTOR ELEMENTS HAVING ZONES OF DIFFERENT REFLECTIVITY OF A WIDTH SUBSTANTIALLY GREATER THAN THE SQUARE ROOT OF THE PRODUCT OF THE DISTANCE BETWEEN SAID END WALLS AND THE WAVELENGTHS OF THE RADIATED ENERGY AND POSITIONED IN THE PATH OF PROPAGATION OF SAID ENERGY TO PROVIDE A HIGH REFLECTIVITY FOR A SELECTED MODE OF PROPAGATION OF SAID ENERGY.
Claim 2
Dependent Claim
132 words
APPARATUS FOR OBTAINING SIMULATED COHERENT ELECTROMAGNETIC ENERGY IN THE OPTICAL BAND OF FREQUENCIES COMPRISING A RESORANT CAVITY HAVING OPPOSING END WALLS, MEANS SUPPLYING TO SAID CAVITY AN ENSEMBLE OF OSCILLATING PARTICLES HAVING AN INVERTED POPULATION DISTRIBUTION BETWEEN AT LEAST TWO DIFFERENT ENERGY STATES CAPABLE OF RADIATING ENERGY OF A FREQUENCY RELATED TO THE DIFFERENCE IN ENERGY BETWEEN SAID ENERGY STATES, SAID RESONANT CAVITY BEING OF HIGH Q AT SAID FREQUENCY, AND A PLURALITY OF PATTERNED REFLECTOR ELEMENTS HAVING ZONES OF DIFFERENT REFLECTIVITY OF A WIDTH SUBSTANTIALLY GREATER THAN THE SQUARE ROOT OF THE PRODUCT OF THE DISTANCE BETWEEN SAID END WALLS AND THE WAVELENGTHS OF THE RADIATED ENERGY AND POSITIONED IN THE PATH OF PROPAGATION OF SAID ENERGY TO PROVIDE A HIGH REFLECTIVITY FOR A SELECTED MODE OF PROPAGATION OF SAID ENERGY.
References Cited (Backward Citations)
US2851652A
Cited
US2929922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |