US3097466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method of clearing ditches
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/86; E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; E02F5/00; E02F5/28; E02F5/282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN COMBINATION WITH A CONVENTIONAL 4-WHEELED TRACTOR ADAPTED TO BE DRIVEN ALONG THE BANKS OF A DITCH IN SPANNING RELATION THERETO, A DITCH-CLEARING MACHINE DETACHABLY ASSOCIATED WITH THE TRACTOR AND SUPPORTED THEREBY SO AS TO OCCUPY A POSITION WITHIN THE DITCH IN TRAILING RELATION TO THE TRACTOR AND PRESENTING A ROTOR JOURNALMOUNTED FROM THE MACHINE FOR ROTATION ABOUT AN UPRIGHT AXIS AND HAVING ABOUT ITS PERIPHERY LENGTHS OF FLAILING CHAINS SPACED APART BOTH AT INTERVALS OF THE CIRCUMFERENCE AND OF THE HEIGHT OF THE ROTOR AND ACTING BY ROTATION OF THE ROTOR TO CLEAR VEGETATION FROM THE WALLS OF THE DITCH, AND A DETACHABLE DRIVE CONNECTION TO SAID ROTOR FROM THE ENGINE OF THE TRACTOR FOR DRIVING THE ROTOR.
Claim 2
Dependent Claim
119 words
IN COMBINATION WITH A CONVENTIONAL 4-WHEELED TRACTOR ADAPTED TO BE DRIVEN ALONG THE BANKS OF A DITCH IN SPANNING RELATION THERETO, A DITCH-CLEARING MACHINE DETACHABLY ASSOCIATED WITH THE TRACTOR AND SUPPORTED THEREBY SO AS TO OCCUPY A POSITION WITHIN THE DITCH IN TRAILING RELATION TO THE TRACTOR AND PRESENTING A ROTOR JOURNALMOUNTED FROM THE MACHINE FOR ROTATION ABOUT AN UPRIGHT AXIS AND HAVING ABOUT ITS PERIPHERY LENGTHS OF FLAILING CHAINS SPACED APART BOTH AT INTERVALS OF THE CIRCUMFERENCE AND OF THE HEIGHT OF THE ROTOR AND ACTING BY ROTATION OF THE ROTOR TO CLEAR VEGETATION FROM THE WALLS OF THE DITCH, AND A DETACHABLE DRIVE CONNECTION TO SAID ROTOR FROM THE ENGINE OF THE TRACTOR FOR DRIVING THE ROTOR.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |