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US3242440A Expired / Lapsed US ⏱️ 0.0 years remaining

Time-controlled-output laser structure

Assignee: Warner Lambert Co LLC
•
Filing: 1962-10-03
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Granted: 1966-03-22
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Expires: 1982-10-03
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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 2026-10-22 17:35
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)

US2929922A Cited
US3098112A Cited
US3130254A Cited
US3172056A Cited

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

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