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US3233395A Expired / Lapsed US ⏱️ 0.0 years remaining

Reel auger

Assignee: Individual
•
Filing: 1963-06-21
•
Granted: 1966-02-08
•
Expires: 1983-06-21
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin M Dahl
  • 👤 Crawford S Swenson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:07
CPC Classifications
A; A01; A01D; A01D61/00; A01D61/008; A01D57/00; A01D57/30

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 149 words
A HARVESTER DEVICE COMPRISING AN ELONGATED REEL AUGER, A CUTTER BAR INCLUDING KNIFE GUARDS, SAID REEL AUGER BEING MOUNTED ABOVE SAID CUTTER AND BEING SUBSTANTIALLY CO-EXTENSIVE IN LENGTH THEREWITH, SAID REEL AUGER COMPRISING A SET OF SPIRAL BLADES ALONG ONE END OF SAID REEL AUGER, A SET OF SPIRAL BLADES ALONG THE OTHER END OF SAID AUGER, DRUM MEANS SUPPORTING EACH SET OF SPIRAL BLADES, WITH AN OPENING THEREBETWEEN, DISC MEMBERS COVERING THE INNER AND THE OUTER ENDS OF EACH OF SAID DRUM MEANS. SAID SPIRAL BLADES HAVING THEIR OUTER ENDS CONNECTED TO THE OUTER DISC MEMBERS, A PAIR OF CURVED SHAPED SHEETLIKE MEMBERS FORMING A BACK AND BOTTOM WALL FOR SAID SETS OF SPIRAL BLADES AND AN OPENING THEREBETWEEN, SAID DRUM MEANS AND SPIRAL BLADES HAVING THEIR FORWARD EDGE PORTIONS PROJECTING FORWARD OF SAID KNIFE GUARDS WHEN SAID KNIFE GUARDS ARE POINTED HORIZONTALLY OR INCLINED DOWNWARD DURING HARVESTING.

References Cited (Backward Citations)

US2212465A Cited
US2455905A Cited
US2476265A Cited
US2478009A Cited
US2636335A Cited
US2978097A Cited
US3023560A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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