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US3506327A Expired / Lapsed US ⏱️ 0.0 years remaining

Wavefront reconstruction using a coherent reference beam

Assignee: Battelle Development Corp
•
Filing: 1964-04-23
•
Granted: 1970-04-14
•
Expires: 1984-04-23
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Abstract

No abstract record available.

Inventors

  • 👤 Emmett N Leith
  • 👤 Juris Upatnieks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:43
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/913; G; G01; G01B; G01B9/00; G01B9/02; G01B9/021; G01C; G01C1/00; G01S; G01S15/00; G01S15/88; G01S15/89; G01V; G01V1/00; G02; G02B; G02B27/00; G02B27/0025; G02B5/00; G02B5/32; G03; G03H; G03H1/00; G03H1/04; G03H1/20; G03H1/26; H04N5/89; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10S430/00; Y10S430/146

Claims Analysis

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References Cited (Backward Citations)

US2492738A Cited
US2770166A Cited
US3083615A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-04-13 1973-10-13 1974-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-04-13 1977-10-13 1978-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-04-13 1981-10-13 1982-04-14 $7700.00 Window Closed / Lapsed

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