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US3369804A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet feeding apparatus

Assignee: AB Dick Co
•
Filing: 1965-11-26
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Granted: 1968-02-20
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Expires: 1985-11-26
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Abstract

No abstract record available.

Inventors

  • 👤 John J Schulze
  • 👤 Donald E Raterman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:51
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/46; B65H3/56; B65H3/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2893729A Cited
US3278181A Cited
US3239212A Cited
US3285601A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-19 1971-08-21 1972-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-19 1975-08-21 1976-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-19 1979-08-21 1980-02-20 $7700.00 Window Closed / Lapsed

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