Patent US3560050A successfully refreshed from Google Patents.
US3560050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for removing worn road surfaces
Assignee: Greenside Machine Co Ltd
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Filing: 1969-02-24
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Granted: 1971-02-02
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Expires: 1989-02-24
Abstract
Abstract APPARATUS FOR REMOVING A WORN ROAD SURFACE DOWN TO A PREDETERMINED, DEPTH PRIOR TO THE APPLICATION OF A NEW SURFACE, COMPRISES A CHASSIS SUPPORT MEANS FOR THE CHASSIS IN THE FORM OF ROAD WHEELS OR TRACKS MEANS TO DISPLACE SAID CHASSIS IN A FORWARD AND/OR REVERSE DIRECTION, A PICK-CARRYING HYDRAYLICALLY DRIVEN CUTTING DRUM SUPPORTED FROM SAID CHASSIS AND LOCATED WITHIN SAID SUPPORT MEANS THEREOF AND ROTATABLE IN THE SAME DIRECTION AS THE ROAD WHEELS ABOUT A HORIZONTAL AXIS AT AN ANGLE TO THE LONGITUDINAL AXIS OF SAID CHASSIS, AND MEANS TO ADJUST SAID CUTTING DEVICE IN A SUBSTANTIALLY VERTICAL PLANE TO DETERMINE THE DEPTH OF SAID ROAD SURFACE TO BE REMOVED.
Inventors
- 👤 Peter Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:25
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/18; B28D1/186; B28D1/188; E; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/085; E01C23/088; E01C23/12; E01C23/122; E01C23/127
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |