Patent US3275091A successfully refreshed from Google Patents.
US3275091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction device for vehicles
Assignee: Individual
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Filing: 1964-08-20
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Granted: 1966-09-27
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Steck
- 👤 Donald H Slater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:43
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0621
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A DRIVE FOR A VEHICLE HAVING GROUND ENGAGING REAR DRIVE WHEELS AND GROUND ENGAGING IDLER LOAD SUPPORTING WHEELS, SPACED PARALLEL LOAD SUPPORTING TRANSVERSELY EXTENDING REAR AXLES ON SAID TRUCK COMPRISING A DRIVE AXLE AND AND IDLER AXLE, SAID DRIVE WHEELS BEING DISPOSED ON SAID DRIVE AXLE AND SAID IDLER WHEELS BEING DISPOSED ON SAID IDLER AXLE, TWO HORIZONTAL BARS EACH SUPPORTED AT ONE SIDE OF SAID TRUCK, ONE END OF EACH SAID BAR BEING SUPPORTED ON SAID IDLER AXLE AND THE OTHER END OFF EACH SAID BAR BEING SUPPORTED ON SAID DRIVE AXLE, A FLUID ACTUATED MEMBER ATTACHED TO AN INTERMEDIATE PART OF EACH SAID BAR, A BRACKET SUPPORTED ON EACH SAID FLUID ACTUATED MEMBER, A LINK ON EACH SAID BRACKET ROTATABLY RECEIVING A TRACTION IDLERR, SAID BRACKET BEING URGED DOWNWARDLY BY SAID FLUID ACTUATED MEMBER WHEN SAID FLUID ACTUATED MEMBER IS ACTUATED, MOVING SAID TRACTION IDLER INTO DRIVING ENGAGEMENT WITH SAID IDLER WHEEL AND SAID DRIVE WHEELS.
Claim 2
Dependent Claim
158 words
A DRIVE FOR A VEHICLE HAVING GROUND ENGAGING REAR DRIVE WHEELS AND GROUND ENGAGING IDLER LOAD SUPPORTING WHEELS, SPACED PARALLEL LOAD SUPPORTING TRANSVERSELY EXTENDING REAR AXLES ON SAID TRUCK COMPRISING A DRIVE AXLE AND AND IDLER AXLE, SAID DRIVE WHEELS BEING DISPOSED ON SAID DRIVE AXLE AND SAID IDLER WHEELS BEING DISPOSED ON SAID IDLER AXLE, TWO HORIZONTAL BARS EACH SUPPORTED AT ONE SIDE OF SAID TRUCK, ONE END OF EACH SAID BAR BEING SUPPORTED ON SAID IDLER AXLE AND THE OTHER END OFF EACH SAID BAR BEING SUPPORTED ON SAID DRIVE AXLE, A FLUID ACTUATED MEMBER ATTACHED TO AN INTERMEDIATE PART OF EACH SAID BAR, A BRACKET SUPPORTED ON EACH SAID FLUID ACTUATED MEMBER, A LINK ON EACH SAID BRACKET ROTATABLY RECEIVING A TRACTION IDLERR, SAID BRACKET BEING URGED DOWNWARDLY BY SAID FLUID ACTUATED MEMBER WHEN SAID FLUID ACTUATED MEMBER IS ACTUATED, MOVING SAID TRACTION IDLER INTO DRIVING ENGAGEMENT WITH SAID IDLER WHEEL AND SAID DRIVE WHEELS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |