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US3223944A Expired / Lapsed US ⏱️ 0.0 years remaining

Laser employing elliptical reflector cavity

Assignee: Raytheon Co
•
Filing: 1964-06-25
•
Granted: 1965-12-14
•
Expires: 1984-06-25
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Clarence F Luck
  • 👤 Maxwell R Krasno
  • 👤 Ciftan Mikael

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:02
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/0931

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1278026A Cited
GB484199A Cited
US2543053A Cited
US2943174A Cited
US2929922A Cited
GB957235A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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