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US3235012A Expired / Lapsed US ⏱️ 0.0 years remaining

Seed bed shaping and tilling device

Assignee: Johnson Farm Machinery Co Inc
•
Filing: 1964-04-13
•
Granted: 1966-02-15
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Expires: 1984-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Roy W Johnson
  • 👤 Bernell H Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:13
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/14; A01B33/00; A01B33/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
IN SEED BED SHAPING DEVICES OF THE TYPE HAVING BED SHAPING UNITS INCLUDING A COVE PLATE AND TILLER MEANS ATTACHED THERETO, A FRONT PLATE EXTENDING FORWARDLY AND UPWARDLY FROM SAID COVER PLATE, SAID FRONT PLATE PROVIDING AN OPENING THERETHROUGH FOR THE APPLICATION OF CHEMICALS AN THE SEED BED IN THE PATH TO BE TRAVERSED BY A TILLER MEANS, A WINDSHIELD MOUNTED ON SAID FRONT PLANT IN CLOSE PROXIMITY TO SAID OPENING AND EXTENDING UPWARDLY TO PREVENT WIND FROM BLOWING THE CHEMICALS AWAY FROM SAID OPENING, SAID FRONT PLATE INCLUDING A DEFLECTION SHIELD EXTENDING DOWNWARDLY AND REARWARDLY FORWARD OF SAID OPENING.
Claim 2
Dependent Claim 100 words
IN SEED BED SHAPING DEVICES OF THE TYPE HAVING BED SHAPING UNITS INCLUDING A COVE PLATE AND TILLER MEANS ATTACHED THERETO, A FRONT PLATE EXTENDING FORWARDLY AND UPWARDLY FROM SAID COVER PLATE, SAID FRONT PLATE PROVIDING AN OPENING THERETHROUGH FOR THE APPLICATION OF CHEMICALS AN THE SEED BED IN THE PATH TO BE TRAVERSED BY A TILLER MEANS, A WINDSHIELD MOUNTED ON SAID FRONT PLANT IN CLOSE PROXIMITY TO SAID OPENING AND EXTENDING UPWARDLY TO PREVENT WIND FROM BLOWING THE CHEMICALS AWAY FROM SAID OPENING, SAID FRONT PLATE INCLUDING A DEFLECTION SHIELD EXTENDING DOWNWARDLY AND REARWARDLY FORWARD OF SAID OPENING.

References Cited (Backward Citations)

US3128831A Cited
US3128833A Cited
US2756833A Cited
GB856630A Cited
US2975842A Cited
US3087557A Cited
US3121973A Cited
IT1224030B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-14 1969-08-16 1970-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-14 1973-08-16 1974-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-14 1977-08-16 1978-02-15 $7700.00 Window Closed / Lapsed

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