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US3605688A Expired / Lapsed US ⏱️ 0.0 years remaining

Seed treating machine

Assignee: Casco AB
•
Filing: 1969-01-24
•
Granted: 1971-09-20
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Expires: 1989-01-24
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Abstract

Abstract A FEED HOPPER INCLUDES A BOTTOM DISCHARGE OPENING WHICH DISCHARGES SEEDS INTO A TUBULAR BODY MEANS. A SEED DISTRIBUTING CONE IS DISPOSED AT A CENTRAL PART OF THE BODY MEANS BENEATH THE HOPPER DISCHARGE A DISC IS ORTATABLY SUPPORTED BENEATH THE CONE AND MERANS IS PROVIDED FOR FEEDING TREATING FLUID ONTO SUCH DISC. FLOW CONTROL MEANS IS DISPOSED OUTWARDLY OF THE CONE AND INCLUDES A PLURALITY OF SPACED GENERALLY CYLINDRICAL CONCENTRIC TUBULAR MEMBERS, THE UPPER EDGES OF THE OUTER CYLINDRICAL MEMBERS BEING DISPOSED VERTICALLY ABOVE THE UPPER EDGES OF THE CYLINDRICAL MEMBERS DISPOSED INWARDLY THEREOF. THESE CYLINDRICAL MEMBERS ARE SPACED FROM THE CONE AND FROM ONE ANOTHER SO AS TO PROVIDE UNIFORM FLOW OF SEEDS AROUND SAID DISC AT VARYING RATES OF FEED.

Inventors

  • 👤 Ake E Heden
  • 👤 Ulf O Ulfvarson Lidingo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:27
CPC Classifications
A; A01; A01C; A01C1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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