US3291223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator plant hoe
Assignee: Individual
•
Filing: 1964-04-01
•
Granted: 1966-12-13
•
Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Hammons Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:46
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/20; A01B39/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CULTIVATOR HOE INCLUDING, A GUIDE MEMBER ADAPTED TO BE DISPOSED IN A VERTICAL PLANE SUBSTANTIALLY PARALLEL TO THE NORMAL DIRECTION OF TRAVEL OF THE HOE AND SPACED LATERALLY FROM A CROP ROW WHILE IN OPERATION, SAID GUIDE MEMBER COMPRISING A STRAIGHT UPPER HORIZONTAL EDGE AND DEFINING AN ARCUATE LEADING FRONT CUTTING EDGE EXTENDING FROM SAID UPPER HORIZONTAL EDGE TO A REAR VERTICAL EDGE OF SAID MEMBER, A SINGLE GENERALLY RECTANGULAR BACKPLATE FORMED INTEGRALLY WITH SAID GUIDE MEMBER EXTENDING IN A VERTICAL PLANE FROM THE VERTICAL PLANE REARWARDLY OF THE REAR VERTICAL EDGE OF SAID GUIDE MEMBER AT AN OBTUSE ANGLE WITH RESPECT TO THE PLANE OF SAID GUIDE MEMBER, AND AN INTEGRAL ELONGATE BLADE INCLINED DOWNWARDLY AT AN OBTUSE ANGLE
Claim 2
Dependent Claim
121 words
A CULTIVATOR HOE INCLUDING, A GUIDE MEMBER ADAPTED TO BE DISPOSED IN A VERTICAL PLANE SUBSTANTIALLY PARALLEL TO THE NORMAL DIRECTION OF TRAVEL OF THE HOE AND SPACED LATERALLY FROM A CROP ROW WHILE IN OPERATION, SAID GUIDE MEMBER COMPRISING A STRAIGHT UPPER HORIZONTAL EDGE AND DEFINING AN ARCUATE LEADING FRONT CUTTING EDGE EXTENDING FROM SAID UPPER HORIZONTAL EDGE TO A REAR VERTICAL EDGE OF SAID MEMBER, A SINGLE GENERALLY RECTANGULAR BACKPLATE FORMED INTEGRALLY WITH SAID GUIDE MEMBER EXTENDING IN A VERTICAL PLANE FROM THE VERTICAL PLANE REARWARDLY OF THE REAR VERTICAL EDGE OF SAID GUIDE MEMBER AT AN OBTUSE ANGLE WITH RESPECT TO THE PLANE OF SAID GUIDE MEMBER, AND AN INTEGRAL ELONGATE BLADE INCLINED DOWNWARDLY AT AN OBTUSE ANGLE
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |