Patent US3071388A successfully refreshed from Google Patents.
US3071388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caster wheel mounting
Assignee: Yale and Towne Manufacturing Co
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Filing: 1961-06-22
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Granted: 1963-01-01
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Bronislaus I Ulinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:25
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0036; B60B33/0042; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B2301/00; B62B2301/04; B62B2301/044; B62B2301/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN INDUSTRIAL TRUCK HAVING A FRAME AND WHEELS SUPPORTING SAID FRAME, ONE OF SAID WHEELS BEING A CASTER WHEEL HAVING A CASTER PIVOT THROUGH WHICH THE CASTER WHEEL MAY SWING AS THE DIRECTION OF MOVEMENT OF THE TRUCK IS CHANGED, PIVOTALLY MOUNTED LINKS SUSPENDING SAID FRAME FROM SAID CASTER PIVOT WHEREBY SAID CASTER PIVOT MAY MOVE LATERALLY RELATIVELY TO SAID FRAME IN EITHER DIRECTION FROM A CENTER POSITION BY PIVOTING OF SAID LINKS AS THE CASTER WHEEL SWING ABOUT THE CASTER PIVOT, AND THE WEIGHT OF THE TRUCK ACTING THROUGH SAID LINKS SERVING TO URGE SAID CASTER PIVOT TO SAID CENTER POSITION AFTER A CHANGE IN THE DIRECTION OF MOVEMENT OF THE TRUCK.
Claim 2
Dependent Claim
113 words
AN INDUSTRIAL TRUCK HAVING A FRAME AND WHEELS SUPPORTING SAID FRAME, ONE OF SAID WHEELS BEING A CASTER WHEEL HAVING A CASTER PIVOT THROUGH WHICH THE CASTER WHEEL MAY SWING AS THE DIRECTION OF MOVEMENT OF THE TRUCK IS CHANGED, PIVOTALLY MOUNTED LINKS SUSPENDING SAID FRAME FROM SAID CASTER PIVOT WHEREBY SAID CASTER PIVOT MAY MOVE LATERALLY RELATIVELY TO SAID FRAME IN EITHER DIRECTION FROM A CENTER POSITION BY PIVOTING OF SAID LINKS AS THE CASTER WHEEL SWING ABOUT THE CASTER PIVOT, AND THE WEIGHT OF THE TRUCK ACTING THROUGH SAID LINKS SERVING TO URGE SAID CASTER PIVOT TO SAID CENTER POSITION AFTER A CHANGE IN THE DIRECTION OF MOVEMENT OF THE TRUCK.
References Cited (Backward Citations)
US1589104A
Cited
US2793875A
Cited
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 |