Patent US3605907A successfully refreshed from Google Patents.
US3605907A
Expired / Lapsed
US
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Hand tool for comminuting soil
Assignee: Individual
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Filing: 1969-07-03
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Granted: 1971-09-20
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Expires: 1989-07-03
Abstract
Abstract A HAND TOOL FOR COMMINUTING SOIL, ESPECIALLY FOR LOOSENING, CUTTING AND CRUMBLING SOIL FOR AGRICULTURAL OR HORTICULTURAL PURPOSES COMPRISING COMMINUTING TOOLS ROTATABLY MOUNTED AT AN ANGLE RELATIVE TO ONE ANOTHER ON BEARING HEADS AND ARRANGED SIDE BY SIDE WITH COMMINUTING TOOLS MESHING WITH ONE ANOTHER AND FORMING INTERSECTING REGIONS LOCATED ALTERNATELY ON BOTH SIDES OF THE BEARING HEADS.
Inventors
- 👤 Walter Schuring
- 👤 Hans Vom Braucke
- 👤 Manfred Vom Braucke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:06
CPC Classifications
A; A01; A01B; A01B1/00; A01B1/06; A01B1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |