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US2728599A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for recovering junk from a well bore

Assignee: Individual
•
Filing: 1952-12-23
•
Granted: 1955-12-27
•
Expires: 1972-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Moore George Waldo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:49
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/08; Y; Y10; Y10S; Y10S285/00; Y10S285/923

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1930987A Cited
US1950654A Cited
US2083714A Cited
US2626177A Cited
US2626829A Cited
US2502567A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-12-26 1959-06-27 1959-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-12-26 1963-06-27 1963-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-12-26 1967-06-27 1967-12-27 $7700.00 Window Closed / Lapsed

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