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US3064437A Expired / Lapsed US ⏱️ 0.0 years remaining

Offshore structure

Assignee: Jersey Production Research Co
•
Filing: 1959-07-16
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Granted: 1962-11-20
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Expires: 1979-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 Richard P Knapp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:03
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027; B; B63; B63B; B63B35/00; B63B35/003; E02B2017/0039

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US672356A Cited
US714176A Cited
GB612201A Cited
US2944403A Cited
US2909901A Cited
US2900794A Cited
US2938354A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-19 1966-05-21 1966-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-19 1970-05-21 1970-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-19 1974-05-21 1974-11-20 $7700.00 Window Closed / Lapsed

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