Patent US3140879A successfully refreshed from Google Patents.
US3140879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual wheel construction for trailers and the like
Assignee: Individual
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Filing: 1962-03-27
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Granted: 1964-07-14
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Gustave C Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:02
CPC Classifications
B; B60; B60G; B60G9/00; B60G9/04; B60G11/00; B60G11/02; B60G11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION WITH THE FRAME OF A TRAILER AND THE LIKE, DUAL WHEEL CONSTRUCTION COMPRISING A PAIR OF ALIGNED, TRANSVERSELY DISPOSED, RELATIVELY SHORT AXLES LOCATED ONE UNDER EACH SIDE OF THE FRAME, A WHEEL MOUNTED UPON EACH END OF EACH AXLE, BRACKETS LONGITUDINALLY PIVOTALLY MOUNTED ON THE FRAME IN FRONT OF AND BEHIND EACH AXLE, SAID PIVOTED BRACKETS BEING DISPOSED TRANSVERSELY OF THE FRAME, EACH BRACKET HAVING A SPACED PAIR OF EARS DEPENDING FROM EACH END THEREOF, SHACKLE BOLTS LOCATED THROUGH SAID EARS, AND LONGITUDINALLY DISPOSED RESILIENT MEANS CONNECTED TO THE END PORTIONS OF THE AXLES ADJACENT THE WHEELS AT THE ENDS OF THE AXLES AND TO THE EARS AT OPPOSITE ENDS OF EACH BRACKET.
Claim 2
Dependent Claim
115 words
IN COMBINATION WITH THE FRAME OF A TRAILER AND THE LIKE, DUAL WHEEL CONSTRUCTION COMPRISING A PAIR OF ALIGNED, TRANSVERSELY DISPOSED, RELATIVELY SHORT AXLES LOCATED ONE UNDER EACH SIDE OF THE FRAME, A WHEEL MOUNTED UPON EACH END OF EACH AXLE, BRACKETS LONGITUDINALLY PIVOTALLY MOUNTED ON THE FRAME IN FRONT OF AND BEHIND EACH AXLE, SAID PIVOTED BRACKETS BEING DISPOSED TRANSVERSELY OF THE FRAME, EACH BRACKET HAVING A SPACED PAIR OF EARS DEPENDING FROM EACH END THEREOF, SHACKLE BOLTS LOCATED THROUGH SAID EARS, AND LONGITUDINALLY DISPOSED RESILIENT MEANS CONNECTED TO THE END PORTIONS OF THE AXLES ADJACENT THE WHEELS AT THE ENDS OF THE AXLES AND TO THE EARS AT OPPOSITE ENDS OF EACH BRACKET.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |