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US2578808A Expired / Lapsed US ⏱️ 0.0 years remaining

Potato cleaning and separating device

Assignee: Individual
•
Filing: 1949-04-20
•
Granted: 1951-12-18
•
Expires: 1969-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 William J Johnson
  • 👤 Lewis H Buckner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:50
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/02; A23N12/023; Y; Y10; Y10S; Y10S118/00; Y10S118/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US414962A Cited
US439905A Cited
US515542A Cited
US994654A Cited
US1643596A Cited
US1754923A Cited
US2108290A Cited
US2196451A Cited
FR866046A Cited
US2426398A Cited
US2465220A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-17 1955-06-18 1955-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-17 1959-06-18 1959-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-17 1963-06-18 1963-12-18 $7700.00 Window Closed / Lapsed

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