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US3372935A Expired / Lapsed US ⏱️ 0.0 years remaining

Economic activity game

Assignee: CHARLES G SANTORA
•
Filing: 1965-02-12
•
Granted: 1968-03-12
•
Expires: 1985-02-12
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Abstract

No abstract record available.

Inventors

  • 👤 Charles G Santora

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:32
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00003; A63F3/00063

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US74368A Cited
US648961A Cited
US1365561A Cited
US1970877A Cited
US1988988A Cited
US2058079A Cited
US2084912A Cited
US2394866A Cited
US2542870A Cited
US2579454A Cited
US3011789A Cited
US3149842A Cited
US3240496A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-12 1971-09-11 1972-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-12 1975-09-11 1976-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-12 1979-09-11 1980-03-12 $7700.00 Window Closed / Lapsed

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