US3232356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hoe
Assignee: LILLISTON IMPLEMENT CO
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Filing: 1964-02-26
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Granted: 1966-02-01
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Jack C Whitesides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:46
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A ROTARY HOE OF THE TYPE TO BE ARRANGED WITH A GANG OF HOES HAVING ITS AXIS OF ROTATION DISPOSED AT AN ANGLE OTHER THAN 90 DEGREES WITH RESPECT TO THE DIRECTION OF THE NORMAL MOVEMENT OF THE GANG OF HOES OVER THE SOIL AND HAVING A PLURALITY OF RADIALLY ARCUATE TINES DESIGNED TO PENETRATE THE SOIL AND MOVE THERETHROUGH IN A DIRECTION GENERALLY TRANSVERSE TO THE MOVEMENT OF THE GANG OVER THE SOIL; THE IMPROVEMENT THEREIN OF EACH OF SAID TINES BEING TRIANGULAR IN CROSS SECTION AND HAVING A WORKING SURFACE AND A SECOND SURFACE WHICH CONVERGE TOGETHER AT AN ACUTE ANGLE TO FORM A CONVEX CUTTING EDGE AND WHEREIN SAID WORKING SURFACE IS DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO THE SOIL AT ANY POINT ALONG ITS LINE OF CONTACT THEREWITH AND SAID SECOND SURFACE IS DISPOSED AT A LESSER ACUTE ANGLE WITH RESPECT TO THE SOIL, WHEREBY DURING THE TRAVEL OF EACH OF THE TINES THROUGH THE SOIL THE CUTTING EDGE SEVERS A PORTION OF THE SOIL AND THE WORKING SURFACE WEDGES THE SEVERED PORTION OF THE SOIL UPWARDLY.
Claim 2
Dependent Claim
183 words
A ROTARY HOE OF THE TYPE TO BE ARRANGED WITH A GANG OF HOES HAVING ITS AXIS OF ROTATION DISPOSED AT AN ANGLE OTHER THAN 90 DEGREES WITH RESPECT TO THE DIRECTION OF THE NORMAL MOVEMENT OF THE GANG OF HOES OVER THE SOIL AND HAVING A PLURALITY OF RADIALLY ARCUATE TINES DESIGNED TO PENETRATE THE SOIL AND MOVE THERETHROUGH IN A DIRECTION GENERALLY TRANSVERSE TO THE MOVEMENT OF THE GANG OVER THE SOIL; THE IMPROVEMENT THEREIN OF EACH OF SAID TINES BEING TRIANGULAR IN CROSS SECTION AND HAVING A WORKING SURFACE AND A SECOND SURFACE WHICH CONVERGE TOGETHER AT AN ACUTE ANGLE TO FORM A CONVEX CUTTING EDGE AND WHEREIN SAID WORKING SURFACE IS DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO THE SOIL AT ANY POINT ALONG ITS LINE OF CONTACT THEREWITH AND SAID SECOND SURFACE IS DISPOSED AT A LESSER ACUTE ANGLE WITH RESPECT TO THE SOIL, WHEREBY DURING THE TRAVEL OF EACH OF THE TINES THROUGH THE SOIL THE CUTTING EDGE SEVERS A PORTION OF THE SOIL AND THE WORKING SURFACE WEDGES THE SEVERED PORTION OF THE SOIL UPWARDLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |