Patent US3235012A successfully refreshed from Google Patents.
US3235012A
Expired / Lapsed
US
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Seed bed shaping and tilling device
Assignee: Johnson Farm Machinery Co Inc
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Filing: 1964-04-13
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Granted: 1966-02-15
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Expires: 1984-04-13
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 12:12
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.
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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) | 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 |