US2555260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction disk
Assignee: Russell Manufacturing Co
•
Filing: 1949-06-21
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Granted: 1951-05-29
•
Expires: 1969-06-21
Abstract
No abstract record available.
Inventors
- 👤 Walters Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:53
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A FRICTION-DISK HAVING A FRICTION-FACE PORTION AND MAINLY FORMED OF A HEAT-HARDENABLE BONDING FRICTION-MATERIAL-IMPREGNATED COILED WEB-MEMBER, WITH THE WEB-PORTIONS OF SAID WEBMEMBER EXTENDING IN SIDE-BY-SIDE RELATION WITH ONE ANOTHER AS A COMPRESSED HEAT-HARDENED UNITARY MASS; EACH SAID WEB-PORTION HAVING STRANDS INTERLACED TOGETHER TO FORM THE WEBPORTION OF BRANCHES FORM IN CROSS SECTION WITH AT LEAST THREE BRANCHES, AND WITH CERTAIN OF SAID BRANCHES EXTENDING WIDTHWISE OF THE WEB-PORTION IN OPPOSITE DIRECTIONS FROM A LOCATION INTERMEDIATE THE WIDTH OF THE WEB-PORTION, AND WITH AT LEAST TWO OF SAID BRANCHES EXTENDING IN THE SAME DIRECTION WIDTHWISE OF THE WEB-PORTION IN SIDEBY-SIDE RELATION OT FORM SAID FRICTION-FACE PORTION.
Claim 2
Dependent Claim
105 words
A FRICTION-DISK HAVING A FRICTION-FACE PORTION AND MAINLY FORMED OF A HEAT-HARDENABLE BONDING FRICTION-MATERIAL-IMPREGNATED COILED WEB-MEMBER, WITH THE WEB-PORTIONS OF SAID WEBMEMBER EXTENDING IN SIDE-BY-SIDE RELATION WITH ONE ANOTHER AS A COMPRESSED HEAT-HARDENED UNITARY MASS; EACH SAID WEB-PORTION HAVING STRANDS INTERLACED TOGETHER TO FORM THE WEBPORTION OF BRANCHES FORM IN CROSS SECTION WITH AT LEAST THREE BRANCHES, AND WITH CERTAIN OF SAID BRANCHES EXTENDING WIDTHWISE OF THE WEB-PORTION IN OPPOSITE DIRECTIONS FROM A LOCATION INTERMEDIATE THE WIDTH OF THE WEB-PORTION, AND WITH AT LEAST TWO OF SAID BRANCHES EXTENDING IN THE SAME DIRECTION WIDTHWISE OF THE WEB-PORTION IN SIDEBY-SIDE RELATION OT FORM SAID FRICTION-FACE PORTION.
References Cited (Backward Citations)
US924788A
Cited
US1000765A
Cited
US1819344A
Cited
US2074128A
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US2196569A
Cited
US2240358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |