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US3054450A Expired / Lapsed US ⏱️ 0.0 years remaining

Retrievable packer apparatus

Assignee: Baker Hughes Oilfield Operations LLC
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Filing: 1958-06-02
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Granted: 1962-09-18
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Expires: 1978-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Reuben Carlton Baker
  • 👤 Anderson Thelma Baker
  • 👤 Aaron A Baker
  • 👤 David K Anderson
  • 👤 Security-First National Ban An

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:35
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1295

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1303091A Cited
US2221204A Cited
US2672199A Cited
US2585706A Cited
US2703623A Cited
US2714931A Cited
US2751019A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-17 1966-03-19 1966-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-17 1970-03-19 1970-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-17 1974-03-19 1974-09-18 $7700.00 Window Closed / Lapsed

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