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US3026936A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of completing wells

Assignee: Gulf Research and Development Co
•
Filing: 1955-04-13
•
Granted: 1962-03-27
•
Expires: 1975-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Abraham J Teplitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:47
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2220237A Cited
US2193807A Cited
US2248028A Cited
US2265660A Cited
US2288557A Cited
US2259564A Cited
US2559687A Cited
US2593497A Cited
US2754911A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-26 1965-09-25 1966-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-26 1969-09-25 1970-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-26 1973-09-25 1974-03-27 $7700.00 Window Closed / Lapsed

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