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US2419485A Expired / Lapsed US ⏱️ 0.0 years remaining

Electronic device

Assignee: NCR Voyix Corp
•
Filing: 1943-06-03
•
Granted: 1947-04-22
•
Expires: 1963-06-03
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph R Desch
  • 👤 Robert E Mumma

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 08:34
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J2893/00; H01J2893/007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2172316A Cited
US1630443A Cited
US2052542A Cited
US2107519A Cited
US2039449A Cited
US2150800A Cited
US2189593A Cited
US2157336A Cited
US2217774A Cited
US2293368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-04-21 1950-10-21 1951-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-04-21 1954-10-21 1955-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-04-21 1958-10-21 1959-04-22 $7700.00 Window Closed / Lapsed

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