Patent US3159957A successfully refreshed from Google Patents.
US3159957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary scythe
Assignee: Individual
•
Filing: 1962-07-05
•
Granted: 1964-12-08
•
Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:38
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/10; A01D43/102; A01D45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A ROTARY SCYTHE COMPRISING A ROTOR ASSEMBLY MOUNTED ON A HORIZONTAL AXIS AND INCLUDING CROP CUTTING BLADES, A HOUSING FOR SAID ROTOR ASSEMBLY HAVING SIDE WALLS, A TOP WALL, AND A CURVED FRONT WALL HINGEDLY CONNECTED TO SAID TOP WALL, THE CLEARANCE BETWEEN SAID FRONT WALL AND THE PATH OF SAID BLADES PROVIDING A THROAT, A PLANT DEFLECTOR HAVING A PORTION LOCATED FORWARDLY OF THE LOWER END OF SAID FRONT WALL, MEANS FOR ADJUSTING THE LOWER END OF SAID HINGED FRONT WALL TO REGULATE THE WIDTH OF SAID THROAT, AND MEANS FOR ADJUSTING THE ELEVATION OF SAID PLANT DEFLECTOR ABOVE THE GROUND.
Claim 2
Dependent Claim
102 words
A ROTARY SCYTHE COMPRISING A ROTOR ASSEMBLY MOUNTED ON A HORIZONTAL AXIS AND INCLUDING CROP CUTTING BLADES, A HOUSING FOR SAID ROTOR ASSEMBLY HAVING SIDE WALLS, A TOP WALL, AND A CURVED FRONT WALL HINGEDLY CONNECTED TO SAID TOP WALL, THE CLEARANCE BETWEEN SAID FRONT WALL AND THE PATH OF SAID BLADES PROVIDING A THROAT, A PLANT DEFLECTOR HAVING A PORTION LOCATED FORWARDLY OF THE LOWER END OF SAID FRONT WALL, MEANS FOR ADJUSTING THE LOWER END OF SAID HINGED FRONT WALL TO REGULATE THE WIDTH OF SAID THROAT, AND MEANS FOR ADJUSTING THE ELEVATION OF SAID PLANT DEFLECTOR ABOVE THE GROUND.
References Cited (Backward Citations)
US2674081A
Cited
DE1098275B
Cited
GB873713A
Cited
US3043080A
Cited
FR1266404A
Cited
US3092946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |