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US3535013A Expired / Lapsed US ⏱️ 0.0 years remaining

Focused image holography with extended sources

Assignee: National Aeronautics and Space Administration
•
Filing: 1967-10-20
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Granted: 1970-10-20
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Expires: 1987-10-20
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Abstract

No abstract record available.

Inventors

  • 👤 Lowell Rosen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:31
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H1/0402; G03H1/0406; G03H1/06; G03H1/22; G03H1/2286; G03H1/24; G03H1/2249; G03H2001/2252; G03H2001/2257; G03H2222/00; G03H2222/20; G03H2222/22; G03H2222/24; G03H2223/00; G03H2223/14; Y; Y10; Y10S; Y10S359/00; Y10S359/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-19 1974-04-20 1974-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-19 1978-04-20 1978-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-19 1982-04-20 1982-10-20 $7700.00 Window Closed / Lapsed

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