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US3365697A Expired / Lapsed US ⏱️ 0.0 years remaining

Seismic prospecting by filtering the received seismic signals in accordance with theinverse firing code of the transmitted signals

Assignee: IFP Energies nouvelles
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Filing: 1966-07-11
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Granted: 1968-01-23
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Expires: 1986-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Fail Jean-Pierre
  • 👤 Grau Gerard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:47
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/003; G01V1/005; G01V1/28; G01V1/36; G01V1/37; G01V1/375

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2156198A Cited
US2320248A Cited
US2706011A Cited
US3076176A Cited
US3096846A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-22 1971-07-24 1972-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-22 1975-07-24 1976-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-22 1979-07-24 1980-01-23 $7700.00 Window Closed / Lapsed

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