Patent US2724739A successfully refreshed from Google Patents.
Patent US3242440A successfully refreshed from Google Patents.
US3242440A
Expired / Lapsed
US
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Time-controlled-output laser structure
Assignee: Warner Lambert Co LLC
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Filing: 1962-10-03
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Granted: 1966-03-22
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Expires: 1982-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles J Koester
- 👤 Herbert M Teager
- 👤 Snitzer Elias
- 👤 Richard F Woodcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:47
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1123; H01S3/115; G; G02; G02F; G02F3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/067; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/102; H01S3/1022; H01S3/23; H01S3/2383; H01S3/06754; H01S3/07; H01S3/10007; H01S3/1001; H01S3/106; H01S3/1061; H01S3/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A TIME-CONTROLLED-OUTPUT LASER STRUCTURE COMPRISING AN ACTIVE LASER MATERIAL, MEANS FOR PROVIDING REPETITIVE REFLECTIONS OF LASER EMISSIVE LIGHT THROUGH SAID MATERIAL, A SOURCE OF ENERGY COUPLED TO SAID MATERIAL AND HAVING AN ENERGY INTENSITY SUFFICIENT FOR PUMPING SAID MATERIAL TO ESTABLISH AN OPERATIONAL CONDITION OF INVERTED POPULATION IN EXCESS OF THE THRESHOLD LEVEL FOR OSCILLATORY LASERING ACTION, SAID LASER MATERIAL UNDER SAID OPERATIONAL CONDITION EXHIBITING A CHARACTERISTIC NORMAL BUILD-UP INTERVAL TO ATTAIN SAID LASERING ACTION AT A HIGL LEVEL OF STIMULATEEMISSION ENERGY OUTPUT AFTER ESTABLISHMENT OF SAID THRESHOLD INVERSION AND THEREAFTER NORMALLY MAINTAINING SAID EMISSIVE ENERGY OUTPUT AT SUBSTANTIALLY SAID HIGH LEVEL FOR A FUTHER INTERVAL, AND A SOURCE OF CONTROL LIGHT DIRECTED INTO SAID LASER MATERIAL WITH AN INTENSITY AND AT A TIME AFTER ATTAINMENT OF SAID THRESHOLD LEVEL TO BE EFFECTIVE TO DE-
Claim 2
Dependent Claim
135 words
A TIME-CONTROLLED-OUTPUT LASER STRUCTURE COMPRISING AN ACTIVE LASER MATERIAL, MEANS FOR PROVIDING REPETITIVE REFLECTIONS OF LASER EMISSIVE LIGHT THROUGH SAID MATERIAL, A SOURCE OF ENERGY COUPLED TO SAID MATERIAL AND HAVING AN ENERGY INTENSITY SUFFICIENT FOR PUMPING SAID MATERIAL TO ESTABLISH AN OPERATIONAL CONDITION OF INVERTED POPULATION IN EXCESS OF THE THRESHOLD LEVEL FOR OSCILLATORY LASERING ACTION, SAID LASER MATERIAL UNDER SAID OPERATIONAL CONDITION EXHIBITING A CHARACTERISTIC NORMAL BUILD-UP INTERVAL TO ATTAIN SAID LASERING ACTION AT A HIGL LEVEL OF STIMULATEEMISSION ENERGY OUTPUT AFTER ESTABLISHMENT OF SAID THRESHOLD INVERSION AND THEREAFTER NORMALLY MAINTAINING SAID EMISSIVE ENERGY OUTPUT AT SUBSTANTIALLY SAID HIGH LEVEL FOR A FUTHER INTERVAL, AND A SOURCE OF CONTROL LIGHT DIRECTED INTO SAID LASER MATERIAL WITH AN INTENSITY AND AT A TIME AFTER ATTAINMENT OF SAID THRESHOLD LEVEL TO BE EFFECTIVE TO DE-
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |