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US2945436A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: VAN BUSKIRK AND CO Inc
•
Filing: 1956-07-06
•
Granted: 1960-07-19
•
Expires: 1976-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 John D Van Buskirk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:41
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; B41F17/00; B41F17/24; B41F17/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2655103A Cited
US1024552A Cited
US1900030A Cited
US2333172A Cited
US2282158A Cited
US2684028A Cited
US2788740A Cited
US2746380A Cited
US2818016A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-07-19 1964-01-18 1964-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-07-19 1968-01-18 1968-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-07-19 1972-01-18 1972-07-19 $7700.00 Window Closed / Lapsed

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