US3106253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch device
Assignee: Deere and Co
•
Filing: 1960-08-04
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Granted: 1963-10-08
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 Orey W Oerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:52
CPC Classifications
A; A01; A01B; A01B73/00; A01B63/00; A01B63/02; A01B63/10; A01B63/111
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
THE COMBINATION WITH A TRACTOR HAVING A POWER LIFT SYSTEM THAT INCLUDES LIFT ARM MEANS AND POWER MEANS FOR RAISING SAID LIFT ARM MEANS, OF A GROUND FOLLOWING IMPLEMENT, DRAFT-TRANSMITTING MEANS CONNECTING THE IMPLEMENT WITH THE TRACTOR FOR GENERALLY VERTICAL SWINGING MOVEMENT RELATIVE THERETO ABOUT A TRANSVERSE AXIS ADJACENT THE REAR PORTION OF SAID DRAFT-TRANSMITTING MEANS, SAID IMPLEMENT BEING ADAPTED TO SWING FORWARDLY ABOUT SAID AXIS DUE TO SOIL PRESSURE AGAINST THE IMPLEMENT BELOW SAID AXIS, LIFT LINK MEANS CONNECTING SAID LIFT ARM MEANS WITH SAID DRAFT-TRANSMITTING MEANS, AND MEANS CONNECTED TO TRANSMIT MOVEMENT DUE TO SAID FORWARD
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |