Patent US3140506A successfully refreshed from Google Patents.
US3140506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture support roller
Assignee: Individual
•
Filing: 1961-12-04
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Granted: 1964-07-14
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Arenson Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:17
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0002
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A CASTER ADAPTED TO PROVIDE MOBILITY IN MOVING FURNITURE AND THE LIKE OVER A SURFACE HAVING A FABRIC PILE EXTENDING UPWARDLY THEREFROM COMPRISING: AT LEAST TWO LOAD-CARRYING MEMBERS, MEANS ROTATABLY MOUNTING SAID MEMBERS FOR INDEPENDENT ROTATION ON A COMMON AXIS, SAID MEMBERS HAVING A PLURALITY OF PROJECTIONS, SAID PROJECTIONS BEING CIRCUMFERENTIALLY SPACED APART FOR RECEIVING FABRIC PILE THEREBETWEEN AND ADAPTED TO SEQUENTIALLY SUPPORT A LOAD WHEN CONTACTING SAID SURFACE, AND MEANS FOR SUPPORTING SAID ABOVE-NAMED MEANS FOR ROTATION ABOUT A SUBSTANTIALLY VERTICALLY EXTENDING AXIS WHICH IS SPACED FROM THE AREA OF SAID CONTACT WITH SAID SURFACE, WHEREBY SAID MEMBERS ARE PERMITTED TO ROTATE WITH RESPECT TO EACH OTHER FOR MINIMIZING THE GENERATION OF SLIDING FRICTION BETWEEN SAID SURFACE AND SAID CASTER.
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 |