Patent US2436503A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2436503A Expired / Lapsed US ⏱️ 0.0 years remaining

Delayed well logging

Assignee: ExxonMobil Oil Corp
•
Filing: 1944-12-22
•
Granted: 1948-02-24
•
Expires: 1964-12-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James Y Cleveland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:36
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/34; G01V11/00; G01V11/002

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US2142555A Cited
US2220070A Cited
US2167630A Cited
US2170857A Cited
US2228623A Cited
US2265768A Cited
US2338991A Cited
US2332873A Cited
US2352433A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-02-23 1951-08-25 1952-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-02-23 1955-08-25 1956-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-02-23 1959-08-25 1960-02-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag