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US3062292A Expired / Lapsed US ⏱️ 0.0 years remaining

Well packer

Assignee: JOHN W TURNER JR
•
Filing: 1954-12-17
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Granted: 1962-11-06
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Expires: 1974-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 George A Lowrey
  • 👤 Peyton H Glaze

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:19
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1536370A Cited
US2248211A Cited
US2266382A Cited
US2230712A Cited
US2279676A Cited
US2647584A Cited
US2695064A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-05 1966-05-07 1966-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-05 1970-05-07 1970-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-05 1974-05-07 1974-11-06 $7700.00 Window Closed / Lapsed

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