Patent US3565458A successfully refreshed from Google Patents.
US3565458A
Expired / Lapsed
US
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Weight transfer hitch
Assignee: Case LLC
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Filing: 1968-06-03
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Granted: 1971-02-23
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Expires: 1988-06-03
Abstract
Abstract A WEIGHT TRANSFER APPARATUS FOR TRANSFERRING WEIGHT FROM AN ATTACHED TRAIL BEHIND DEVICE TO A TRACTOR HAVING DRAFT CONTROL MEANS INCLUDING POWER LIFT MEANS AND DRAFT SENSING MEANS FOR TRANSMITTING A SIGNAL TO THE POWER LIFT MEANS TO OPERATE THE LATTER IN RESPONSE TO ACTUATION OF THE DRAFT SENSING MEANS, THE APPARATUS INCLUDING A TENSION MEMBER AND LIFTING MEMBER INTERCONNECTED BETWEEN THE TRAILING DEVICE AND THE DRAFT SENSING MEANS.
Inventors
- 👤 Leonard A Bettin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:51
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/02
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |