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US2334262A Expired / Lapsed US ⏱️ 0.0 years remaining

Subsurface prospecting

Assignee: Texaco Development Corp
•
Filing: 1940-05-29
•
Granted: 1943-11-16
•
Expires: 1960-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Donald G C Hare

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:12
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/107; G01V5/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1946-11-15 1947-05-17 1947-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-11-15 1951-05-17 1951-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-11-15 1955-05-17 1955-11-16 $7700.00 Window Closed / Lapsed

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