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US2566932A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper feeding mechanism

Assignee: International Business Machines Corp
•
Filing: 1948-09-25
•
Granted: 1951-09-04
•
Expires: 1968-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 Jonas E Dayger
  • 👤 Edwin M Hollis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:18
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1931382A Cited
US2369441A Cited
US2348059A Cited
US2421462A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-03 1955-03-05 1955-09-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-03 1959-03-05 1959-09-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-03 1963-03-05 1963-09-04 $7700.00 Window Closed / Lapsed

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