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US2977925A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for measuring the amount of radioactive material deposited on articles

Assignee: Motors Liquidation Co
•
Filing: 1955-01-03
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Granted: 1961-04-04
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Expires: 1975-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 Norton James Allen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:18
CPC Classifications
G; G01; G01B; G01B15/00; G01B15/02; G01N; G01N23/00; G01N2223/00; G01N2223/60; G01N2223/61; G01N2223/626; G01N2223/6265

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2640788A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-04-03 1964-10-03 1965-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-04-03 1968-10-03 1969-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-04-03 1972-10-03 1973-04-04 $7700.00 Window Closed / Lapsed

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