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US3218791A Expired / Lapsed US ⏱️ 0.0 years remaining

Tools for working crop or like material lying on the ground

Assignee: C Van der Lely NV
•
Filing: 1960-10-10
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Granted: 1965-11-23
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Expires: 1980-10-10
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Abstract

No abstract record available.

Inventors

  • 👤 Lely Cornelis Van Der
  • 👤 Lely Ary Van Der

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 19:55
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/08; A01D78/14; A01D80/00; A01D80/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
A ROTARY TOOL FOR WORKING CROP OR LIKE MATERIAL LYING ON THE GROUND COMPRISING A CENTRAL MEMBER ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A PLURALITY OF TINES EXTENDING OUTWARDLY FROM SAID CENTRAL MEMBER WHICH ENGAGE MATERIAL LYING ON THE GROUND IN THEIR LOWERMOST RELATIVE POSITIONS, A STRIPPING MEMBER ASSOCIATED WITH EACH TINE WHICH ROTATES WITH ITS ASSOCIATED TINE AND STRIPS CROP OR LIKE MATERIAL THEREFROM WHEN THE TINE IS CLEAR OF THE GROUND, EACH SAID STRIPPING MEMBER BEING MOVABLE WITH RESPECT TO ITS ASSOCIATED TINE IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THAT WHICH SAID TINE EXTENDS FROM SAID CENTRAL MEMBER.
Claim 2
Dependent Claim 100 words
A ROTARY TOOL FOR WORKING CROP OR LIKE MATERIAL LYING ON THE GROUND COMPRISING A CENTRAL MEMBER ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A PLURALITY OF TINES EXTENDING OUTWARDLY FROM SAID CENTRAL MEMBER WHICH ENGAGE MATERIAL LYING ON THE GROUND IN THEIR LOWERMOST RELATIVE POSITIONS, A STRIPPING MEMBER ASSOCIATED WITH EACH TINE WHICH ROTATES WITH ITS ASSOCIATED TINE AND STRIPS CROP OR LIKE MATERIAL THEREFROM WHEN THE TINE IS CLEAR OF THE GROUND, EACH SAID STRIPPING MEMBER BEING MOVABLE WITH RESPECT TO ITS ASSOCIATED TINE IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THAT WHICH SAID TINE EXTENDS FROM SAID CENTRAL MEMBER.

References Cited (Backward Citations)

US332421A Cited
US1259803A Cited
US1958757A Cited
US2591572A Cited
US2811009A Cited
FR1125654A Cited
AT187731B Cited
US3012392A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-22 1969-05-24 1969-11-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-22 1973-05-24 1973-11-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-22 1977-05-24 1977-11-23 $7700.00 Window Closed / Lapsed

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