US3238809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable link for hitch device and universal joint therefor
Assignee: Deere and Co
•
Filing: 1964-12-02
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Granted: 1966-03-08
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Beard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:31
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/002; A01B59/004; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20576; Y10T74/20882; Y10T74/21; Y10T74/2142; Y10T74/2151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A HITCH DEVICE, A LIFT LINK STRUCTURE COMPRISING A PAIR OF AXIALLY ALIGNED RELATIVELY ROTATABLE PARTS, A HOUSING ROTATABLY RECEIVING THE OUTER END OF ONE OF SAID PARTS, A CRANKSHAFT ROTATABLY MOUNTED FOR ROTATION IN SAID HOUSING, UNIVERSAL JOINT MEANS ENCLOSED IN SAID HOUSING AND CONNECTING SAID CRANKSHAFT WITH THE ADJACENT END OF THE ASSOCIATED ROTATABLE PART, SAID HOUSING HAVING A PIVOTRECEIVING OPENING, A PIVOT DISPOSED THEREIN, AND INTERENGAGING MEANS ON SAID PIVOT AND SAID CRANKSHAFT.
Claim 2
Dependent Claim
77 words
IN A HITCH DEVICE, A LIFT LINK STRUCTURE COMPRISING A PAIR OF AXIALLY ALIGNED RELATIVELY ROTATABLE PARTS, A HOUSING ROTATABLY RECEIVING THE OUTER END OF ONE OF SAID PARTS, A CRANKSHAFT ROTATABLY MOUNTED FOR ROTATION IN SAID HOUSING, UNIVERSAL JOINT MEANS ENCLOSED IN SAID HOUSING AND CONNECTING SAID CRANKSHAFT WITH THE ADJACENT END OF THE ASSOCIATED ROTATABLE PART, SAID HOUSING HAVING A PIVOTRECEIVING OPENING, A PIVOT DISPOSED THEREIN, AND INTERENGAGING MEANS ON SAID PIVOT AND SAID CRANKSHAFT.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |