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US2994176A Expired / Lapsed US ⏱️ 0.0 years remaining

Mower cutter bar and knife assembly

Assignee: Individual
•
Filing: 1959-07-15
•
Granted: 1961-08-01
•
Expires: 1979-07-15
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Abstract

No abstract record available.

Inventors

  • 👤 Clark E Stroburg
  • 👤 Hubert H Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:00
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/13

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

NL25895C Cited
US27323A Cited
US78460A Cited
US146804A Cited
US219251A Cited
US273994A Cited
US448567A Cited
US2095608A Cited
US2138305A Cited
US2217741A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-31 1965-01-30 1965-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-31 1969-01-30 1969-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-31 1973-01-30 1973-08-01 $7700.00 Window Closed / Lapsed

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