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US3461306A Expired / Lapsed US ⏱️ 0.0 years remaining

Electron probe microanalyzer for measuring the differential energy response of auger electrons

Assignee: General Electric Co
•
Filing: 1967-04-27
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Granted: 1969-08-12
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Expires: 1987-04-27
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Abstract

No abstract record available.

Inventors

  • 👤 Virgil L Stout
  • 👤 Nathan Rey Whetten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:43
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/227; H; H01; H01J; H01J49/00; H01J49/44; H01J49/46; H01J49/48

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2405306A Cited
US3356844A Cited
US3307035A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-08-11 1973-02-10 1973-08-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-08-11 1977-02-10 1977-08-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-08-11 1981-02-10 1981-08-12 $7700.00 Window Closed / Lapsed

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