US3606468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for planing road-like surfaces
Assignee: British Jeffrey Diamond Ltd
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Filing: 1969-09-29
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Granted: 1971-09-20
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Expires: 1989-09-29
Abstract
Abstract A MACHINE FOR PLANING A ROAD-LIKE SURFACE INCLUDES A CYLINDRICAL CUTTING ELEMENT INCORPORATING CUTTING PICK MEANS. THE CUTTING ELEMENT IS MOUNTED IN SAID MACHINE FOR ROTATION ABOUT THE LONGITUDINAL AXIS OF THE ELEMENT AND IS MOUNTED IN SUCH MANNER THAT THE CUTTING PICK MEANS CAN BE BROUGHT INTO ENGAGEMENT WITH THEW ROADLIKE SURFACE.
Inventors
- 👤 William James Walker
- 👤 John Halbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/085; E01C23/088; E01C23/12; E01C23/122; E01C23/127; E01H; E01H1/00; E01H1/02; E01H1/04; E01H1/042; E01C2301/00; E01C2301/50
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |