US3563012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor for lawn mowers
Assignee: Jacobsen Manufacturing Co
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Filing: 1968-10-18
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Granted: 1971-02-16
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Expires: 1988-10-18
Abstract
Abstract TRACTOR FOR LAWN MOWERS OF THE REEL TYPE AND PIVOTALLY MOUNTED ON THE TRACTOR. THE TRACTOR HAS THREE GROUND WHEELS, A PRIME MOVER, AND DRIVE MEANS EXTENDING TO THE WHEELS AND TO THE LAWN MOWERS. A HYDRAULIC SYSTEM IS SHOWN AS THE DRIVE MEANS, AND THE TRACTOR FRAME PROVIDES AN OPERATOR''S SEAT ON THE LINE THROUGH THE CENTER OF GRAVITY OF THE TRACTOR. THE ENGINE IS TO THE REAR OF THE OPERATOR''S SEAT, AND THE TRACTOR FRAME IS HOLLOW FOR PROVIDING THE HYDRAULIC CAPACITY AND FOR CONDUCTING HYDRAULIC FLUID TO THE DESIRED LOCATIONS ON THE TRACTOR.
Inventors
- 👤 Raymond K Strasel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:39
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/43; A01D67/00; A01D69/00; A01D69/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |