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US3066529A Expired / Lapsed US ⏱️ 0.0 years remaining

Crude oil metering and recording system

Assignee: Shell USA Inc
•
Filing: 1959-04-06
•
Granted: 1962-12-04
•
Expires: 1979-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 William J Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:37
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223; G01F; G01F15/00; G01F15/02; G01F15/022

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2438935A Cited
US2617299A Cited
US2535027A Cited
US2674049A Cited
US2607828A Cited
US2718619A Cited
US2923880A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-03 1966-06-04 1966-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-03 1970-06-04 1970-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-03 1974-06-04 1974-12-04 $7700.00 Window Closed / Lapsed

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