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US3452296A Expired / Lapsed US ⏱️ 0.0 years remaining

Laser system for generating coherent light

Assignee: United States Department of the Air Force
•
Filing: 1965-04-20
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Granted: 1969-06-24
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Expires: 1985-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur E Lockenvitz
  • 👤 Charles R Longwell
  • 👤 Roy Pietsch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:48
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/23; H01S3/2308

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US853812A Cited
US2388077A Cited
US3096767A Cited
US3247467A Cited
US3292102A Cited
US3335285A Cited
US3289101A Cited
US3312995A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-23 1972-12-23 1973-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-23 1976-12-23 1977-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-23 1980-12-23 1981-06-24 $7700.00 Window Closed / Lapsed

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