Patent US3338440A successfully refreshed from Google Patents.
US3338440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farm implement carrier
Assignee: Individual
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Filing: 1965-12-08
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Granted: 1967-08-29
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Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 James C Donahue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:57
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60P3/125; B60P3/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A FARM IMPEMENT CARRIER COMPRISING: (A) A WHEELED FRAME, (B) AN ELONGATED RAMP HAVING FORWARD AND REARWARD ENDS PIVOTED TO SAID FRAME ON A HORIZONTAL AXIS TRANSVERSE TO SAID RAMP, INTERMEDIATE ITS ENDS, AND ABOVE THE GROUND-ENGAGING LEVEL TO THE WHEELS OF SAID FRAME, SAID RAMP BEING PIVOTAL TO AN INCLINED POSITION WHEREIN THE REARWARD END THEREOF ENGAGES THE GROUND, WHEREBY THE FRONT OR REAR WHEELS OF AN IMPLEMENT TO BE CARRIED MAY BE ROLLED UPWARDLY ALONG SAID RAMP TO A POINT AT THE OPPOSITE SIDE OF THE PIVOTAL AXIS OF SAID RAMP, WHEREUPON THE WEIGHT OF SAID IMPLEMENT PIVOTS SAID RAMP TO A RAISED, GENERALLY HORIZONTAL POSITION LIMITED BY ENGAGEMENT OF SAID RAMP WITH SUITABLE STOPS CARRIED BY SAID RAMP, SAID RAMP BEING SO PROPORTIONED AND POSITIONED THAT THE OTHER WHEELS OF SAID IMPLEMENT DO NOT ENGAGE SAID RAMP, AND (C) MEANS CARRIED BY SAID RAMP AT THE REARWARD END THEREOF AND OPERABLE TO ENGAGE AND ELEVATE SAID IMPLEMENT WITH RESPECT TO THE REARWARD END OF SAID RAMP.
Claim 2
Dependent Claim
169 words
A FARM IMPEMENT CARRIER COMPRISING: (A) A WHEELED FRAME, (B) AN ELONGATED RAMP HAVING FORWARD AND REARWARD ENDS PIVOTED TO SAID FRAME ON A HORIZONTAL AXIS TRANSVERSE TO SAID RAMP, INTERMEDIATE ITS ENDS, AND ABOVE THE GROUND-ENGAGING LEVEL TO THE WHEELS OF SAID FRAME, SAID RAMP BEING PIVOTAL TO AN INCLINED POSITION WHEREIN THE REARWARD END THEREOF ENGAGES THE GROUND, WHEREBY THE FRONT OR REAR WHEELS OF AN IMPLEMENT TO BE CARRIED MAY BE ROLLED UPWARDLY ALONG SAID RAMP TO A POINT AT THE OPPOSITE SIDE OF THE PIVOTAL AXIS OF SAID RAMP, WHEREUPON THE WEIGHT OF SAID IMPLEMENT PIVOTS SAID RAMP TO A RAISED, GENERALLY HORIZONTAL POSITION LIMITED BY ENGAGEMENT OF SAID RAMP WITH SUITABLE STOPS CARRIED BY SAID RAMP, SAID RAMP BEING SO PROPORTIONED AND POSITIONED THAT THE OTHER WHEELS OF SAID IMPLEMENT DO NOT ENGAGE SAID RAMP, AND (C) MEANS CARRIED BY SAID RAMP AT THE REARWARD END THEREOF AND OPERABLE TO ENGAGE AND ELEVATE SAID IMPLEMENT WITH RESPECT TO THE REARWARD END OF SAID RAMP.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |