US3314690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering mechanism for haulage vehicles
Assignee: Elkem Metals Co LP
•
Filing: 1963-11-19
•
Granted: 1967-04-18
•
Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 William G Bunchak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:12
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/142; B62D7/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A STEERABLE MINE HAULAGE VEHICLE, SAID MINE HAULAGE VEHICLE INCLUDING, IN COMBINATION, BODY STRUCTURE FORMING A CARRYING CHAMBER FOR MATERIAL TO BE TRANSPORTED, A FIRST STEERABLE WHEEL ASSEMBLY ON ONE END OF THE BODY STRUCTURE AND A SECOND STEERABLE WHEEL ASSEMBLY LOCATED ON THE OTHER END OF THE BODY STRUCTURE OPPOSITE THE FIRST WHEEL ASSEMBLY EACH SAID WHEEL ASSEMBLY INCLUDING A WHEEL ON EACH SIDE OF THE VEHICLE AND MEANS FOR IMPARTING AN AMPLITUDE OF SWING TO EACH OF THE STEERABLE WHEELS SUFFICIENT TO MAINTAIN EACH OF SAID STEERABLE WHEELS SUBSTANTIALLY PERPENDICULAR TO A RADIAL LINE PASSING THROUGH THE COMMON TURNING CENTER OF EACH OF THE STEERABLE WHEELS, SAID MEANS INCLUDING
Claim 2
Dependent Claim
111 words
A STEERABLE MINE HAULAGE VEHICLE, SAID MINE HAULAGE VEHICLE INCLUDING, IN COMBINATION, BODY STRUCTURE FORMING A CARRYING CHAMBER FOR MATERIAL TO BE TRANSPORTED, A FIRST STEERABLE WHEEL ASSEMBLY ON ONE END OF THE BODY STRUCTURE AND A SECOND STEERABLE WHEEL ASSEMBLY LOCATED ON THE OTHER END OF THE BODY STRUCTURE OPPOSITE THE FIRST WHEEL ASSEMBLY EACH SAID WHEEL ASSEMBLY INCLUDING A WHEEL ON EACH SIDE OF THE VEHICLE AND MEANS FOR IMPARTING AN AMPLITUDE OF SWING TO EACH OF THE STEERABLE WHEELS SUFFICIENT TO MAINTAIN EACH OF SAID STEERABLE WHEELS SUBSTANTIALLY PERPENDICULAR TO A RADIAL LINE PASSING THROUGH THE COMMON TURNING CENTER OF EACH OF THE STEERABLE WHEELS, SAID MEANS INCLUDING
References Cited (Backward Citations)
US1719875A
Cited
US2555649A
Cited
US2674333A
Cited
US2910131A
Cited
US2962176A
Cited
US3183991A
Cited
US3087564A
Cited
US3185324A
Cited
US3185245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |