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US3474865A Expired / Lapsed US ⏱️ 0.0 years remaining

Stimulation of injection wells with water-external micellar dispersions

Assignee: Marathon Oil Co
•
Filing: 1968-03-12
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Granted: 1969-10-28
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Expires: 1988-03-12
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Abstract

No abstract record available.

Inventors

  • 👤 William B Gogarty
  • 👤 Stanley C Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:17
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3266570A Cited
US3261399A Cited
US3288216A Cited
US3297084A Cited
US3330344A Cited
US3348611A Cited
US3373809A Cited
US3422890A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-27 1973-04-28 1973-10-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-27 1977-04-28 1977-10-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-27 1981-04-28 1981-10-28 $7700.00 Window Closed / Lapsed

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