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US3040833A Expired / Lapsed US ⏱️ 0.0 years remaining

Seismic exploration

Assignee: Phillips Petroleum Co
•
Filing: 1957-01-14
•
Granted: 1962-06-26
•
Expires: 1977-01-14
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Abstract

No abstract record available.

Inventors

  • 👤 Harold L Mendenhall
  • 👤 Sam D Elliott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:08
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2394990A Cited
US2321450A Cited
US2580636A Cited
US2628689A Cited
US2732906A Cited
US2767389A Cited
US2792067A Cited
US2879860A Cited
US2747172A Cited
US2838743A Cited
US2841777A Cited
US2888089A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-25 1965-12-25 1966-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-25 1969-12-25 1970-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-25 1973-12-25 1974-06-26 $7700.00 Window Closed / Lapsed

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