Patent US4429029A successfully refreshed from Google Patents.
Patent US3133770A successfully refreshed from Google Patents.
US3133770A
Expired / Lapsed
US
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Roller retainer for tapered bearings
Assignee: Timken US LLC
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Filing: 1962-01-22
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Granted: 1964-05-19
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 John H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/542; F16C33/543; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A RETAINER FOR A TAPERED ROLLER BEARING COMPRISING A UNITARY CONE HAVING ITS SIDE FORMED OF LONGITUDINAL BARS SPACED APART BY TAPERING SLOTS, SAID BARS HAVING LONGITUDINALLY EXTENDING CORNER PORTIONS AND RESILIENT CENTRAL PORTIONS, SAID CENTRAL PORTIONS BEING DIRECTED INWARDLY AT THE LARGER END TO A SECTION INCLINED TO THE LONGITUDINAL AXIS OF THE RETAINER AND CONTINUING IN A SECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF THE RETAINER TO THE OPPOSITE SMALLER END OF THE CONE.
Claim 2
Dependent Claim
76 words
A RETAINER FOR A TAPERED ROLLER BEARING COMPRISING A UNITARY CONE HAVING ITS SIDE FORMED OF LONGITUDINAL BARS SPACED APART BY TAPERING SLOTS, SAID BARS HAVING LONGITUDINALLY EXTENDING CORNER PORTIONS AND RESILIENT CENTRAL PORTIONS, SAID CENTRAL PORTIONS BEING DIRECTED INWARDLY AT THE LARGER END TO A SECTION INCLINED TO THE LONGITUDINAL AXIS OF THE RETAINER AND CONTINUING IN A SECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF THE RETAINER TO THE OPPOSITE SMALLER END OF THE CONE.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |