Patent US3245478A successfully refreshed from Google Patents.
US3245478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming pockets in soil
Assignee: Individual
•
Filing: 1964-07-13
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Granted: 1966-04-12
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:04
CPC Classifications
A; A01; A01B; A01B45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A MACHINE FOR FORMING POCKETS IN SOIL COMPRISING A TRANSVERSELY POSITIONED RELATIVELY HEAVY CYLINDRICAL MEMBER MOUNTED FOR ROTATION, A PLURALITY OF SOIL POCKET FORMING ELEMENTS ATTACHED TO SAID CYLINDRICAL MEMBER, SAID SOIL POCKET FORMING ELEMENTS INCLUDING SUBSTANTIALLY SEMICIRCULAR OUTER CUTTING EDGE PORTIONS FOR PROVIDING A POSITIVE CUTTING ACTION IN THE SOIL, SAID POCKET FORMING ELEMENTS BEING RELATIVELY NARROW IN CROSS SECTION AND INCLUDING SIDE WALLS SLOPING FROM SAID CUTTING EDGE PORTIONS TO SAID CYLINDRICAL MEMBER, A FRAMEWORK IN WHICH SAID CYLINDRICAL MEMBER IS JOURNALLED, MEANS ATTACHED TO SAID FRAMEWORK FOR DRAWING SAID FRAMEWORK, SAID POCKET FORMING ELEMENTS BEING IN OVERLAPPING RELATION PERIPHERALLY, MEANS FOR PROVIDING PORTABILITY TO SAID MACHINE INCLUDING A PAIR OF FLEXIBLE STRAPS, RESILIENT LUGS ATTACHED TO SAID STRAPS, MEANS FOR ATTACHING SAID STRAPS AT EACH OUTER END OF SAID CYLINDRICAL MEMBER, SAID LUGS EXTENDING RADIALLY BEYOND SAID POCKET FORMING ELEMENTS.
Claim 2
Dependent Claim
143 words
A MACHINE FOR FORMING POCKETS IN SOIL COMPRISING A TRANSVERSELY POSITIONED RELATIVELY HEAVY CYLINDRICAL MEMBER MOUNTED FOR ROTATION, A PLURALITY OF SOIL POCKET FORMING ELEMENTS ATTACHED TO SAID CYLINDRICAL MEMBER, SAID SOIL POCKET FORMING ELEMENTS INCLUDING SUBSTANTIALLY SEMICIRCULAR OUTER CUTTING EDGE PORTIONS FOR PROVIDING A POSITIVE CUTTING ACTION IN THE SOIL, SAID POCKET FORMING ELEMENTS BEING RELATIVELY NARROW IN CROSS SECTION AND INCLUDING SIDE WALLS SLOPING FROM SAID CUTTING EDGE PORTIONS TO SAID CYLINDRICAL MEMBER, A FRAMEWORK IN WHICH SAID CYLINDRICAL MEMBER IS JOURNALLED, MEANS ATTACHED TO SAID FRAMEWORK FOR DRAWING SAID FRAMEWORK, SAID POCKET FORMING ELEMENTS BEING IN OVERLAPPING RELATION PERIPHERALLY, MEANS FOR PROVIDING PORTABILITY TO SAID MACHINE INCLUDING A PAIR OF FLEXIBLE STRAPS, RESILIENT LUGS ATTACHED TO SAID STRAPS, MEANS FOR ATTACHING SAID STRAPS AT EACH OUTER END OF SAID CYLINDRICAL MEMBER, SAID LUGS EXTENDING RADIALLY BEYOND SAID POCKET FORMING ELEMENTS.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |