Patent US3335884A successfully refreshed from Google Patents.
US3335884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power loader
Assignee: Deere and Co
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Filing: 1965-10-21
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Granted: 1967-08-15
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Charles G Termont
- 👤 Robert W Brittain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A POST STRUCTURE FOR A TRACTOR-MOUNTED POWER LOADER HAVING A PAIR OF FORWARDLY EXTENDING LIFT ARMS, AND THE TRACTOR HAVING A FORE-AND-AFT EXTENDING MAIN FRAME WITH A FORWARDLY POSITIONED ENGINE PORTION HAVING A HOOD THEREON, COMPRISING: AN UPRIGHT H-SHAPED RIGID STRUCTURE STRADDLING THE TRACTOR ADJACENT THE REAR END OF THE ENGINE PORTION AND INCLUDING A PAIR OF VERTICAL SIDE POSTS POSITIONED ON OPPOSITE SIDES OF THE TRACTOR AND HAVING LOWER ENDS ADAPTED FOR CONNECTION TO OPPOSITE SIDES OF THE MAIN FRAME, UPPER ENDS ADAPTED FOR PIVOTAL CONNECTION TO THE LIFT ARMS, AND FURTHER HAVING U-SHAPED FORWARDLY OPENING AND REARWARDLY CLOSED CENTRAL PORTIONS WITH EACH CENTRAL PORTION HAVING TRANSVERSELY SPACED SIDE WALLS, THE HSHAPED STRUCTURE FURTHER HAVING A TRANSVERSE HORIZONTAL PORTION RIGIDLY INTERCONNECTING THE POSTS BETWEEN THE UPPER AND LOWER ENDS AND DISPOSED CLOSELY ADJACENT THE UPPER REAR CORNER OF THE ENGINE PORTION, THE TRANSVERSE HORIZONTAL PORTION FURTHER HAVING A FORWARD HORIZONTAL LIP PORTION CONFORMING TO THE SHAPE OF AND ENGAGING THE HOOD OF THE ENGINE PORTION, A REARWARDLY FACING INSTRUMENT PANEL ON THE TRANSVERSE HORIZONTAL PORTION FOR INDICATING THE OPERATIONAL CHARACTERISTICS OF THE TRACTOR, AND TRANSVERSE HORIZONTAL PIVOT MEANS EXTENDING BETWEEN THE OPPOSED SIDES OF THE SIDE WALLS OF EACH POST AND ADAPTED TO SUPPORT INTERNALLY OF THE CENTRAL PORTIONS THE ENDS OF LIFT CYLINDERS FOR RAISING AND LOWERING THE RESPECTIVE LIFT ARMS.
Claim 2
Dependent Claim
223 words
A POST STRUCTURE FOR A TRACTOR-MOUNTED POWER LOADER HAVING A PAIR OF FORWARDLY EXTENDING LIFT ARMS, AND THE TRACTOR HAVING A FORE-AND-AFT EXTENDING MAIN FRAME WITH A FORWARDLY POSITIONED ENGINE PORTION HAVING A HOOD THEREON, COMPRISING: AN UPRIGHT H-SHAPED RIGID STRUCTURE STRADDLING THE TRACTOR ADJACENT THE REAR END OF THE ENGINE PORTION AND INCLUDING A PAIR OF VERTICAL SIDE POSTS POSITIONED ON OPPOSITE SIDES OF THE TRACTOR AND HAVING LOWER ENDS ADAPTED FOR CONNECTION TO OPPOSITE SIDES OF THE MAIN FRAME, UPPER ENDS ADAPTED FOR PIVOTAL CONNECTION TO THE LIFT ARMS, AND FURTHER HAVING U-SHAPED FORWARDLY OPENING AND REARWARDLY CLOSED CENTRAL PORTIONS WITH EACH CENTRAL PORTION HAVING TRANSVERSELY SPACED SIDE WALLS, THE HSHAPED STRUCTURE FURTHER HAVING A TRANSVERSE HORIZONTAL PORTION RIGIDLY INTERCONNECTING THE POSTS BETWEEN THE UPPER AND LOWER ENDS AND DISPOSED CLOSELY ADJACENT THE UPPER REAR CORNER OF THE ENGINE PORTION, THE TRANSVERSE HORIZONTAL PORTION FURTHER HAVING A FORWARD HORIZONTAL LIP PORTION CONFORMING TO THE SHAPE OF AND ENGAGING THE HOOD OF THE ENGINE PORTION, A REARWARDLY FACING INSTRUMENT PANEL ON THE TRANSVERSE HORIZONTAL PORTION FOR INDICATING THE OPERATIONAL CHARACTERISTICS OF THE TRACTOR, AND TRANSVERSE HORIZONTAL PIVOT MEANS EXTENDING BETWEEN THE OPPOSED SIDES OF THE SIDE WALLS OF EACH POST AND ADAPTED TO SUPPORT INTERNALLY OF THE CENTRAL PORTIONS THE ENDS OF LIFT CYLINDERS FOR RAISING AND LOWERING THE RESPECTIVE LIFT ARMS.
References Cited (Backward Citations)
US2526500A
Cited
US2815876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |