US3277936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree harvesting apparatus
Assignee: Beloit Corp
•
Filing: 1963-10-29
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Granted: 1966-10-11
•
Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Robert W Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A TREE HARVESTING APPARATUS COMPRISING, A MOBILE VEHICLE; A BOOM SUPPORT MEANS PIVOTALLY MOUNTED AT ONE END ABOUT A VERTICAL AXIS TO SAID VEHICLE AND PROJECTING THEREFROM; FIRST MOTOR MEANS FOR CONTROLLABLY ROTATING SAID BOOM SUPPORT MEANS ABOUT ITS SAID VERTICAL AXIS; A BOOM PIVOTALLY MOUNTED AT ONE END ABOUT A HORIZONTAL FIRST AXIS AT THE DISTAL END OF SAID BOOM SUPPORT MEANS; A SECOND MOTOR MEANS FOR CONTROLLED ANGULAR MOVEMENT OF SAID BOOM IN A VERTICAL PLANE; A VERTICAL MAST UNIT PIVOTALLY MOUNTED ABOUT A HORIZONTAL SECOND AXIS TO THE DISTAL END OF SAID BOOM; A THIRD MOTOR MEANS FOR CONTROLLED ANGULAR MOVEMENT OF SAID MAST UNIT IN A VERTICAL PLANE; TREE CUTTING MEANS MOUNTED ON SAID MAST UNIT AND ADAPTED FOR CONTROLLED CUTTING OF TREES ENGAGED THEREBY; AND TREE CLAMPING MEANS MOUNTED TO SAID MAST UNIT ABOVE AND SPACED FROM SAID TREE CUTTING MEANS WITH SAID CLAMPING MEANS BEING ADAPTED FOR CONTROLLED GRIPPING AND RELEASING OF TREES ENGAGED THEREBY.
Claim 2
Dependent Claim
161 words
A TREE HARVESTING APPARATUS COMPRISING, A MOBILE VEHICLE; A BOOM SUPPORT MEANS PIVOTALLY MOUNTED AT ONE END ABOUT A VERTICAL AXIS TO SAID VEHICLE AND PROJECTING THEREFROM; FIRST MOTOR MEANS FOR CONTROLLABLY ROTATING SAID BOOM SUPPORT MEANS ABOUT ITS SAID VERTICAL AXIS; A BOOM PIVOTALLY MOUNTED AT ONE END ABOUT A HORIZONTAL FIRST AXIS AT THE DISTAL END OF SAID BOOM SUPPORT MEANS; A SECOND MOTOR MEANS FOR CONTROLLED ANGULAR MOVEMENT OF SAID BOOM IN A VERTICAL PLANE; A VERTICAL MAST UNIT PIVOTALLY MOUNTED ABOUT A HORIZONTAL SECOND AXIS TO THE DISTAL END OF SAID BOOM; A THIRD MOTOR MEANS FOR CONTROLLED ANGULAR MOVEMENT OF SAID MAST UNIT IN A VERTICAL PLANE; TREE CUTTING MEANS MOUNTED ON SAID MAST UNIT AND ADAPTED FOR CONTROLLED CUTTING OF TREES ENGAGED THEREBY; AND TREE CLAMPING MEANS MOUNTED TO SAID MAST UNIT ABOVE AND SPACED FROM SAID TREE CUTTING MEANS WITH SAID CLAMPING MEANS BEING ADAPTED FOR CONTROLLED GRIPPING AND RELEASING OF TREES ENGAGED THEREBY.
References Cited (Backward Citations)
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US2728602A
Cited
SU136114A1
Cited
US3074447A
Cited
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Cited
US3183954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |