Patent US3213947A successfully refreshed from Google Patents.
US3213947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned frame for agricultural implement
Assignee: International Motors LLC
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Filing: 1964-02-19
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Granted: 1965-10-26
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:36
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B23/00; A01B23/04; A01B23/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A DISK TILLER HAVING AN ELONGATED FRAME EXTENDING DIAGONALLY OF THE DIRECTION OF TRAVEL COMPRISING A WHEEL SUPPORTED SECTION AT ITS FORWARD END, A RELATIVELY STATIONARY WHEEL SUPPORTED SECTION AT ITS REAR END, A DISKCARRYING MEMBER EXTENDING BETWEEN SAID WHEEL SUPPORTED SECTIONS AND FORMING A FURROW WALL ENGAGEABLE BY SAID REAR WHEEL SUPPORTED SECTION TO PREVENT LATERAL MOVEMENT OF THE TILLER IN ONE DIRECTION, SAID DISK-CARRYING SECTION INCLUDING A TUBULAR PORTION MOUNTED ON EACH OF SAID SECTIONS AND TELESCOPICALLY CONNECTED FOR AXIAL SLIDING MOVEMENT OF ONE OF SAID SECTIONS RELATIVE TO THE OTHER IN RESPONSE TO DRAFT FORCES ACTING ON SAID DISKS, AND MEANS IN THE CONNECTION OF SAID TUBULAR PORTIONS YIELDABLY OPPOSING SAID RELATIVE AXIAL SLIDING MOVEMENT.
Claim 2
Dependent Claim
118 words
A DISK TILLER HAVING AN ELONGATED FRAME EXTENDING DIAGONALLY OF THE DIRECTION OF TRAVEL COMPRISING A WHEEL SUPPORTED SECTION AT ITS FORWARD END, A RELATIVELY STATIONARY WHEEL SUPPORTED SECTION AT ITS REAR END, A DISKCARRYING MEMBER EXTENDING BETWEEN SAID WHEEL SUPPORTED SECTIONS AND FORMING A FURROW WALL ENGAGEABLE BY SAID REAR WHEEL SUPPORTED SECTION TO PREVENT LATERAL MOVEMENT OF THE TILLER IN ONE DIRECTION, SAID DISK-CARRYING SECTION INCLUDING A TUBULAR PORTION MOUNTED ON EACH OF SAID SECTIONS AND TELESCOPICALLY CONNECTED FOR AXIAL SLIDING MOVEMENT OF ONE OF SAID SECTIONS RELATIVE TO THE OTHER IN RESPONSE TO DRAFT FORCES ACTING ON SAID DISKS, AND MEANS IN THE CONNECTION OF SAID TUBULAR PORTIONS YIELDABLY OPPOSING SAID RELATIVE AXIAL SLIDING MOVEMENT.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |