Patent US3221822A successfully refreshed from Google Patents.
US3221822A
Expired / Lapsed
US
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Soil penetrating implement
Assignee: Individual
•
Filing: 1963-12-20
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Granted: 1965-12-07
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Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Dedoes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:15
CPC Classifications
A; A01; A01B; A01B45/00; A01B45/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DEMOUNTABLE SOIL AERATING RIM ATTACHMENT FOR USE ON A RUBBER TIRED TRACTOR WHEEL COMPRISING A FLAT METAL SURFACED ANNULAR BAND, SAID BAND HAVING A CIRCUMFERENCE SUBSTANTIALLY FITTING THE CIRCUMFERENCE OF THE RUBBER TIRE ON SAID TRACTOR WHEEL, SAID FLAT METAL ANNULAR BAND HAVING A PLURALITY OF ELONGATED SLOT MEANS FORMED IN THE SURFACE THEREOF AND SPACED LATERALLY FROM THE SIDE EDGES OF THE TIRE, A PLURALITY OF ELONGATED TUBULAR SOIL CORING ELEMENTS EXTENDING THROUGH SAID SLOT MEANS AND MOUNTED FOR PIVOTAL MOVEMENT ON THE INSIDE SURFACE EDGES OF SAID BAND SO AS TO DISCHARGE CORED MATERIAL TO ONE SIDE OF SAID TIRE, AND MEANS FOR REMOVABLY SECURING THE METAL BAND TO THE TRACTOR WHEEL.
Claim 2
Dependent Claim
115 words
A DEMOUNTABLE SOIL AERATING RIM ATTACHMENT FOR USE ON A RUBBER TIRED TRACTOR WHEEL COMPRISING A FLAT METAL SURFACED ANNULAR BAND, SAID BAND HAVING A CIRCUMFERENCE SUBSTANTIALLY FITTING THE CIRCUMFERENCE OF THE RUBBER TIRE ON SAID TRACTOR WHEEL, SAID FLAT METAL ANNULAR BAND HAVING A PLURALITY OF ELONGATED SLOT MEANS FORMED IN THE SURFACE THEREOF AND SPACED LATERALLY FROM THE SIDE EDGES OF THE TIRE, A PLURALITY OF ELONGATED TUBULAR SOIL CORING ELEMENTS EXTENDING THROUGH SAID SLOT MEANS AND MOUNTED FOR PIVOTAL MOVEMENT ON THE INSIDE SURFACE EDGES OF SAID BAND SO AS TO DISCHARGE CORED MATERIAL TO ONE SIDE OF SAID TIRE, AND MEANS FOR REMOVABLY SECURING THE METAL BAND TO THE TRACTOR WHEEL.
References Cited (Backward Citations)
US57105A
Cited
US1191185A
Cited
US1427813A
Cited
GB258112A
Cited
US1866998A
Cited
US2207451A
Cited
US2353916A
Cited
US2441471A
Cited
US2587406A
Cited
US2700926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |