US3241862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor drawbar attachment
Assignee: Massey Ferguson Inc
•
Filing: 1963-08-14
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Granted: 1966-03-22
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest V Bunting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:22
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/1006; A01B59/00; A01B59/06; A01B59/066; A01B59/068; A01B63/14; A01B63/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN ATTACHMENT FOR COUPLING THE TONGUE OF A GROUND SUPPORTED UNIT TO THE BODY OF A TRACTOR HAVING A POWERED LIFT ARM COMPRISING, IN COMBINATION, A DRAWBAR PIVOTED ON SAID TRACTOR BODY FOR UP AND DOWN SWNGING MOVEMENT ABOUT ONE AXIS AND SIDE-TO-SIDE SWINGING MOVEMENT ABOUT A SECOND AXIS, MEANS FOR SECURING SAID TONGUE TO SAID DRAWBAR IN RIGID ALINEMENT, A FRAME DEFINING AN ARCUATE TRACK PIVOTED ON SAID BODY FOR SWINGING MOVEMENT ABOUT SAID ONE AXIS WITH SAID ARCUATE TRACK BEING POSITIONED SO
Claim 2
Dependent Claim
84 words
AN ATTACHMENT FOR COUPLING THE TONGUE OF A GROUND SUPPORTED UNIT TO THE BODY OF A TRACTOR HAVING A POWERED LIFT ARM COMPRISING, IN COMBINATION, A DRAWBAR PIVOTED ON SAID TRACTOR BODY FOR UP AND DOWN SWNGING MOVEMENT ABOUT ONE AXIS AND SIDE-TO-SIDE SWINGING MOVEMENT ABOUT A SECOND AXIS, MEANS FOR SECURING SAID TONGUE TO SAID DRAWBAR IN RIGID ALINEMENT, A FRAME DEFINING AN ARCUATE TRACK PIVOTED ON SAID BODY FOR SWINGING MOVEMENT ABOUT SAID ONE AXIS WITH SAID ARCUATE TRACK BEING POSITIONED SO
References Cited (Backward Citations)
US1785124A
Cited
US1899343A
Cited
US2620718A
Cited
US2462726A
Cited
US2503096A
Cited
US2473357A
Cited
US2780479A
Cited
US2871030A
Cited
US3065977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |