US3071173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile traction device
Assignee: Individual
•
Filing: 1961-09-12
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Granted: 1963-01-01
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Expires: 1981-09-12
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Martin Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/02; B60C27/04; B60C27/045; B60C27/0261; B60C27/0269
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A TRACTION DEVICE FOR AN AUTOMOTIVE VEHICLE COMPRISING AN AXLE MEMBER ADAPTED FOR BOLTING TO A WHEEL OF SAID VEHICLE ADJACENT THE HUB THEREOF, A SUPPORT PLATE MOUNTED TO SAID AXLE MEMBER AND ARRANGED FOR FREE ROTATION THEREON, SAID SUPPORT PLATE HAVING A RADIAL GROOVE FORMED THEREIN EXTENDING TO THE PERIPHERY THEREOF, AN ELONGATED TRACTION ELEMENT SLIDABLY ARRANGED IN SAID GROOVE, SAID TRACTION ELEMENT BEING ARRANGED TO EXTEND ADJACENT THE PERIPHERY OF SAID WHEEL AND ROTATE THEREABOUT, MEANS DISPOSED IN SAID GROOVE FOR POSITIONING SAID TRACTION ELEMENT, SAID POSITIONING MEANS INCLUDING A BASE PLATE, A SPRING BAR AND A STOP BAR, SAID BASE PLATE AND SAID STOP BAR BEING ARRANGED TO COMPRESS SAID SPRING THEREBETWEEN, AND MEANS ATTACHED TO SAID SUPPORT PLATE FOR RETAINING SAID TRACTION ELEMENT IN SAID GROOVE.
Claim 2
Dependent Claim
130 words
A TRACTION DEVICE FOR AN AUTOMOTIVE VEHICLE COMPRISING AN AXLE MEMBER ADAPTED FOR BOLTING TO A WHEEL OF SAID VEHICLE ADJACENT THE HUB THEREOF, A SUPPORT PLATE MOUNTED TO SAID AXLE MEMBER AND ARRANGED FOR FREE ROTATION THEREON, SAID SUPPORT PLATE HAVING A RADIAL GROOVE FORMED THEREIN EXTENDING TO THE PERIPHERY THEREOF, AN ELONGATED TRACTION ELEMENT SLIDABLY ARRANGED IN SAID GROOVE, SAID TRACTION ELEMENT BEING ARRANGED TO EXTEND ADJACENT THE PERIPHERY OF SAID WHEEL AND ROTATE THEREABOUT, MEANS DISPOSED IN SAID GROOVE FOR POSITIONING SAID TRACTION ELEMENT, SAID POSITIONING MEANS INCLUDING A BASE PLATE, A SPRING BAR AND A STOP BAR, SAID BASE PLATE AND SAID STOP BAR BEING ARRANGED TO COMPRESS SAID SPRING THEREBETWEEN, AND MEANS ATTACHED TO SAID SUPPORT PLATE FOR RETAINING SAID TRACTION ELEMENT IN SAID GROOVE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |