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Patent US3273930A successfully refreshed from Google Patents.
US3273930A
Expired / Lapsed
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Soil-extracting implements
Assignee: Individual
•
Filing: 1964-07-13
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Granted: 1966-09-20
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Adam P Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:21
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/02; A01G; A01G20/00; A01G20/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A HAND OPERATED SOIL EXTRACTING IMPLEMENT FOR PREPARING A HOLE IN THE GROUND PREPARATORY TO PLANTING, COMPRISING: AN ELONGATED CYLINDRICAL BARREL HAVING A TRANSVERSELY EXTENDING HANDLE SECURED ADJACENT TO THE UPPER END THEREOF; AN ANNULUS OF DOWNWARDLY EXTENDING INWARDLY CURVED TOOTH MEMBERS FORMING THE LOWER END OF THE IMPLEMENT, THE PERFORATE ANNULAR JUNCTURE ZONE OF SAID TOOTH MEMBERS WITH THE BARREL HAVING A GREATER OUTSIDE DIAMETER THAN THE ADJACENT LOWER END OF THE BARREL, SAID CURVED TEETH EXTENDING IN A RADIALLY INWARD DIRECTION
Claim 2
Dependent Claim
83 words
A HAND OPERATED SOIL EXTRACTING IMPLEMENT FOR PREPARING A HOLE IN THE GROUND PREPARATORY TO PLANTING, COMPRISING: AN ELONGATED CYLINDRICAL BARREL HAVING A TRANSVERSELY EXTENDING HANDLE SECURED ADJACENT TO THE UPPER END THEREOF; AN ANNULUS OF DOWNWARDLY EXTENDING INWARDLY CURVED TOOTH MEMBERS FORMING THE LOWER END OF THE IMPLEMENT, THE PERFORATE ANNULAR JUNCTURE ZONE OF SAID TOOTH MEMBERS WITH THE BARREL HAVING A GREATER OUTSIDE DIAMETER THAN THE ADJACENT LOWER END OF THE BARREL, SAID CURVED TEETH EXTENDING IN A RADIALLY INWARD DIRECTION
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |