US3217474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized rake
Assignee: Individual
•
Filing: 1963-01-14
•
Granted: 1965-11-16
•
Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Neilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:36
CPC Classifications
A; A01; A01D; A01D76/00; A01D76/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A MOTORIZED RAKE HAVING A FRAME, A PRIMARY TRANSVERSE SHAFT AND AN OPEN BOTTOMED HOUSING MOUNTED ON THE FRAME, AN ENGINE SUPPORTED ON THE HOUSING CONNECTED TO THE SHAFT FORMING A DRIVING CONNECTION THEREWITH AND A HANDLE CONNECTED TO THE HOUSING AND FRAME, THE IMPROVEMENTS COMPRISING A WHEEL SUPPORTED MECHANISM PIVOTALLY MOUNTED ON THE FRAME FOR ADJUSTING THE DEPTH AT WHICH THE RAKE WILL OPERATE, AND A PAIR OF SECONDARY TRANSVERSE SHAFTS OPERATIVELY CONNECTED TO THE PRIMARY TRANSVERSE SHAFT ADAPTED TO BE ROTATED UPON MOVEMENT OF THE PRIMARY TRANSVERSE SHAFT, EACH OF SAID SECONDARY SHAFTS HAVING A PLURALITY OF INDEPENDENT TAKING TEETH FREELY ROTATABLE AND LOOSELY MOUNTED SIDE-BY-SIDE THEREON.
Claim 2
Dependent Claim
110 words
IN A MOTORIZED RAKE HAVING A FRAME, A PRIMARY TRANSVERSE SHAFT AND AN OPEN BOTTOMED HOUSING MOUNTED ON THE FRAME, AN ENGINE SUPPORTED ON THE HOUSING CONNECTED TO THE SHAFT FORMING A DRIVING CONNECTION THEREWITH AND A HANDLE CONNECTED TO THE HOUSING AND FRAME, THE IMPROVEMENTS COMPRISING A WHEEL SUPPORTED MECHANISM PIVOTALLY MOUNTED ON THE FRAME FOR ADJUSTING THE DEPTH AT WHICH THE RAKE WILL OPERATE, AND A PAIR OF SECONDARY TRANSVERSE SHAFTS OPERATIVELY CONNECTED TO THE PRIMARY TRANSVERSE SHAFT ADAPTED TO BE ROTATED UPON MOVEMENT OF THE PRIMARY TRANSVERSE SHAFT, EACH OF SAID SECONDARY SHAFTS HAVING A PLURALITY OF INDEPENDENT TAKING TEETH FREELY ROTATABLE AND LOOSELY MOUNTED SIDE-BY-SIDE THEREON.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |