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US2957407A Expired / Lapsed US ⏱️ 0.0 years remaining

Hay balers

Assignee: Unisys Corp
•
Filing: 1957-12-19
•
Granted: 1960-10-25
•
Expires: 1977-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Vutz Wilhelm
  • 👤 Earl E Koch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:33
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1401715A Cited
US1756898A Cited
US2622507A Cited
US2651252A Cited
US2665631A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-10-25 1964-04-25 1964-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-10-25 1968-04-25 1968-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-10-25 1972-04-25 1972-10-25 $7700.00 Window Closed / Lapsed

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