Patent US4871929A successfully refreshed from Google Patents.
Patent US3079174A successfully refreshed from Google Patents.
US3079174A
Expired / Lapsed
US
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Hitch device for a plurality of implements
Assignee: Deere and Co
•
Filing: 1959-09-29
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Granted: 1963-02-26
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
- 👤 Harold V Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:23
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/042; A01C; A01C15/00; A01C15/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A HITCH DEVICE FOR CONNECTING AN IMPLEMENT TO A TRACTOR HAVING REAR DRIVE WHEELS, POWER LIFT MEANS, AND A REAR DRAWBAR, SAID HITCH DEVICE COMPRISING BRACKET MEANS ATTACHABLE TO THE GENERALLY INTERMEDIATE PORTION OF THE TRACTOR, A FRAME INCLUDING AN ARCUATE SECTION, MEANS TO CONNECT THE GENERALLY CENTRAL PORTION OF THE FRAME TO THE TRACTOR POWER LIFT MEANS WHEREBY THE LATTER WHEN ACTUATED LIFTS THE FRONT AND REAR PORTIONS OF THE HITCH FRAME UPWARDLY FROM THE GROUND TO A POSITION FOR CONNECTION WITH THE TRACTOR, MEANS TO CONNECT THE FRAME TO THE TRACTOR WHEN THE FRAME HAS BEEN RAISED TO SAID POSITION SO THAT SAID ARCUATE SECTION ENCIRCLES THE TRACTOR DRIVE WHEELS AND IS DISPOSED SO THAT THE CENTER OF CURVATURE OF SAID ARCUATE SECTION LIES FORWARD OF THE REAR END OF THE TRAC-
Claim 2
Dependent Claim
134 words
A HITCH DEVICE FOR CONNECTING AN IMPLEMENT TO A TRACTOR HAVING REAR DRIVE WHEELS, POWER LIFT MEANS, AND A REAR DRAWBAR, SAID HITCH DEVICE COMPRISING BRACKET MEANS ATTACHABLE TO THE GENERALLY INTERMEDIATE PORTION OF THE TRACTOR, A FRAME INCLUDING AN ARCUATE SECTION, MEANS TO CONNECT THE GENERALLY CENTRAL PORTION OF THE FRAME TO THE TRACTOR POWER LIFT MEANS WHEREBY THE LATTER WHEN ACTUATED LIFTS THE FRONT AND REAR PORTIONS OF THE HITCH FRAME UPWARDLY FROM THE GROUND TO A POSITION FOR CONNECTION WITH THE TRACTOR, MEANS TO CONNECT THE FRAME TO THE TRACTOR WHEN THE FRAME HAS BEEN RAISED TO SAID POSITION SO THAT SAID ARCUATE SECTION ENCIRCLES THE TRACTOR DRIVE WHEELS AND IS DISPOSED SO THAT THE CENTER OF CURVATURE OF SAID ARCUATE SECTION LIES FORWARD OF THE REAR END OF THE TRAC-
References Cited (Backward Citations)
US241448A
Cited
US971157A
Cited
US1888502A
Cited
US2062282A
Cited
US2144295A
Cited
US2130860A
Cited
US2178467A
Cited
US2376464A
Cited
US2306231A
Cited
US2692150A
Cited
US2710200A
Cited
US2791444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |