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US3623302A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined harvester-thresher mechanism

Assignee: Individual
•
Filing: 1970-05-21
•
Granted: 1971-11-30
•
Expires: 1990-05-21
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Abstract

Abstract A COMBINED HARVESTER-THRESHER HAS A CUTTER BAR AND TABLE CARRYING A THRESHING MECHANISM ADJACENT ONE END. A TWO-WAY CONVEYOR MECHANISM CONVEYS THE CUT OUT LATERALLY INTO THE THRESHING MECHANISM AND RECEIVES THE THRESHED STRAW AND RESIDUAL GRAIN AFTER THRESHING AND TRANSFERS THEM TO THE OPPOSITE END OF TABLE FOR DISCHARGE. SEPARATION OF THE RESIDUAL GRAIN FROM THE STRAW TAKES PLACE DURING THIS TRANSFER. CONVEYORS OF THE AUGER TYPE, THE ROTARY FINGER TYPE AND THE ENDLESS BELT AND TINE TYPE ARE ILLUSTRATED. ONE MACHINE CONFIGURATION MOUNTS THE HARVESTING AND SEPARATING ASSEMBLY AT ONE END OF A TRACTOR AND HAS AN AUGER CONVEYOR FEEDING THE SEPARATED GAIN TO A CHAFF REMOVER AND A STORAGE TANK AT THE OPPOSITE END OF THE TRACTOR. ANOTHER CONFIGURATION MOUNTS TWO OF THE HARVESTING AND SEPARATING MECHANISMS END TO END BY A JOINT ARTICULATED ABOUT A FORCE AND AFT AXIS ON A SPECIAL ARTICULATED SELF-PROPELLED CHASSIS WITH DUAL ENGINES, AROUND DRIVES, CHAFF REMOVING AND GRAIN STORAGE ARRANGEMENTS AT THE OUTER ENDS OF THE CHASSIS.

Inventors

  • 👤 Helwig Schmitt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:57
CPC Classifications
A; A01; A01D; A01D41/00; A01D61/00; A01D61/002

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) 1974-11-29 1975-05-31 1975-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-29 1979-05-31 1979-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-29 1983-05-31 1983-11-30 $7700.00 Window Closed / Lapsed

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