Patent US3200574A successfully refreshed from Google Patents.
US3200574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for trimming trees
Assignee: FMC Corp
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Filing: 1961-11-20
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Granted: 1965-08-17
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 George R Meadowcroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/04; A01G3/0408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A TREE HEDGING MACHINE COMPRISING A CHASSIS ADAPTED FOR MOVEMENT IN A FORWARD LONGITUDINAL DIRECTION ALONG THE GROUND BETWEEN ROWS OF TREES, A SUPERSTRUCTURE MOUNTED ON SAID CHASSIS, ROTATABLE DRIVE SHAFTS PROJECTING FROM OPPOSITE SIDES OF SAID SUPERSTRUCTURE WITH BOTH A DOWNWARD INCLINATION AND A REARWARD INCLINATION WITH RESPECT TO SAID DIRECTION, MEANS MOUNTING SAID DRIVE SHAFTS FOR ADJUSTABLE MOVEMENT TOWARD AND AWAY FROM THE LONGITUDINAL CENTER PLANE OF SAID SUPERSTRUCTURE, FIRST DRIVING MEANS FOR ROTATING SAID DRIVE SHAFTS, A ROTOR MOUNTED ON EACH DRIVE SHAFT FOR ROTARY MOVEMENT IN PLANES CONVERGING REARWARDLY AND DOWNARDLY ON EACH SIDE OF SAID SUPERSTRUCTURE, EACH ROTOR INCLUDING A PLURALITY OF RADIALLY EXTENDING ARMS EQUIANNULARLY SPACED, A CIRCULAR CUTTING BLADE MOUNTED FOR ROTATION ON THE END OF EACH ARM, AND SECOND INDEPENDENT DRIVING MEANS OPERATIVELY ARRANGED TO EFFECT ROTATION OF SAID BLADES IN THE SAME DIRECTION OF ROTATION AS SAID ROTOR.
Claim 2
Dependent Claim
147 words
A TREE HEDGING MACHINE COMPRISING A CHASSIS ADAPTED FOR MOVEMENT IN A FORWARD LONGITUDINAL DIRECTION ALONG THE GROUND BETWEEN ROWS OF TREES, A SUPERSTRUCTURE MOUNTED ON SAID CHASSIS, ROTATABLE DRIVE SHAFTS PROJECTING FROM OPPOSITE SIDES OF SAID SUPERSTRUCTURE WITH BOTH A DOWNWARD INCLINATION AND A REARWARD INCLINATION WITH RESPECT TO SAID DIRECTION, MEANS MOUNTING SAID DRIVE SHAFTS FOR ADJUSTABLE MOVEMENT TOWARD AND AWAY FROM THE LONGITUDINAL CENTER PLANE OF SAID SUPERSTRUCTURE, FIRST DRIVING MEANS FOR ROTATING SAID DRIVE SHAFTS, A ROTOR MOUNTED ON EACH DRIVE SHAFT FOR ROTARY MOVEMENT IN PLANES CONVERGING REARWARDLY AND DOWNARDLY ON EACH SIDE OF SAID SUPERSTRUCTURE, EACH ROTOR INCLUDING A PLURALITY OF RADIALLY EXTENDING ARMS EQUIANNULARLY SPACED, A CIRCULAR CUTTING BLADE MOUNTED FOR ROTATION ON THE END OF EACH ARM, AND SECOND INDEPENDENT DRIVING MEANS OPERATIVELY ARRANGED TO EFFECT ROTATION OF SAID BLADES IN THE SAME DIRECTION OF ROTATION AS SAID ROTOR.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |