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US2805069A Expired / Lapsed US ⏱️ 0.0 years remaining

Educational game device

Assignee: CHARLES J TRABING
•
Filing: 1955-10-17
•
Granted: 1957-09-03
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Expires: 1975-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence P Bonari
  • 👤 Vick Ashley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:01
CPC Classifications
G; G09; G09B; G09B17/00; A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/0803; A63F9/0819

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US375558A Cited
US1319561A Cited
US705873A Cited
US711854A Cited
US1055151A Cited
US1349587A Cited
GB229088A Cited
US1685723A Cited
US2312423A Cited
US2454479A Cited
US2487363A Cited
US2667345A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-02 1961-03-04 1961-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-02 1965-03-04 1965-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-02 1969-03-04 1969-09-03 $7700.00 Window Closed / Lapsed

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