US3239873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load braking caster
Assignee: Up Right Inc
•
Filing: 1964-10-30
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Granted: 1966-03-15
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:46
CPC Classifications
E; E04; E04G; E04G5/00; E04G5/02; B; B60; B60B; B60B33/00; B60B33/02; B60B33/021; E04G1/00; E04G1/24; E04G2001/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CASTER COMPRISING: A CASTER HOUSING, MEANS ON SAID CASTER HOUSING FOR ATTACHING SAID CASTER HOUSING TO AN APPARATUS TO BE SUPPORTED BY SAID CASTER, A LOCKING LEVER MOUNTED ON SAID CASTER HOUSING FOR PIVOTAL MOVEMENT ABOUT A FIRST HORIZONTAL AXIS, A CASTER WHEEL MOUNTED ON SAID LOCKING LEVER FOR ROTATION ABOUT A SECOND HORIZONTAL AXIS WHICH IS SPACED FROM SAID FIRST AXIS, SAID LOCKING LEVER BEING MOVABLE BETWEEN A FIRST POSITION WHEREIN SAID AXIS OF SAID WHEEL IS ON ONE SIDE OF A VERTICAL PLANE PASSING THROUGH SAID FIRST HORIZONTAL AXIS AND A SECOND POSITION WHEREIN SAID AXIS OF SAID WHEEL IS ON THE OTHER SIDE OF SAID VERTICAL PLANE, SAID CASTER HOUSING HAVING A BRAKING SURFACE CARRIED THEREBY ENGAGEABLE WITH THE PERIPHERY OF SAID WHEEL
Claim 2
Dependent Claim
127 words
A CASTER COMPRISING: A CASTER HOUSING, MEANS ON SAID CASTER HOUSING FOR ATTACHING SAID CASTER HOUSING TO AN APPARATUS TO BE SUPPORTED BY SAID CASTER, A LOCKING LEVER MOUNTED ON SAID CASTER HOUSING FOR PIVOTAL MOVEMENT ABOUT A FIRST HORIZONTAL AXIS, A CASTER WHEEL MOUNTED ON SAID LOCKING LEVER FOR ROTATION ABOUT A SECOND HORIZONTAL AXIS WHICH IS SPACED FROM SAID FIRST AXIS, SAID LOCKING LEVER BEING MOVABLE BETWEEN A FIRST POSITION WHEREIN SAID AXIS OF SAID WHEEL IS ON ONE SIDE OF A VERTICAL PLANE PASSING THROUGH SAID FIRST HORIZONTAL AXIS AND A SECOND POSITION WHEREIN SAID AXIS OF SAID WHEEL IS ON THE OTHER SIDE OF SAID VERTICAL PLANE, SAID CASTER HOUSING HAVING A BRAKING SURFACE CARRIED THEREBY ENGAGEABLE WITH THE PERIPHERY OF SAID WHEEL
References Cited (Backward Citations)
US2512941A
Cited
US2660265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |