Patent US2908535A successfully refreshed from Google Patents.
US2908535A
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Oilless antifriction bearings
Assignee: Russell Manufacturing Co
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Filing: 1957-10-24
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Granted: 1959-10-13
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
- 👤 Henry C Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:17
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/28; Y; Y10; Y10T; Y10T428/00; Y10T428/21; Y10T428/213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AN OILLESS ANTIFRICTION BEARING DISE HAVING AN INNER BEARING PERIPHERAL SURFACE AND AN OUTER PERIPHERAL SUPFACE, SAID DISC COMPRISING A WOVEN FABRIC MLDED IN A BONDING RESIN, SAID FABRIC COMPRISING A PLURALITY OF PLIES CONTAINING YARNS CAPALBE OF BONDING TO SAID RESIN BOUND TOGETHER BY YARNS OF TETRAFLUOROETHYLEN AND TETRAUFLUOROETHYLENE BINDING YARNS EXTENDING THROUGH SAID PLIES FROM
Claim 2
Dependent Claim
57 words
AN OILLESS ANTIFRICTION BEARING DISE HAVING AN INNER BEARING PERIPHERAL SURFACE AND AN OUTER PERIPHERAL SUPFACE, SAID DISC COMPRISING A WOVEN FABRIC MLDED IN A BONDING RESIN, SAID FABRIC COMPRISING A PLURALITY OF PLIES CONTAINING YARNS CAPALBE OF BONDING TO SAID RESIN BOUND TOGETHER BY YARNS OF TETRAFLUOROETHYLEN AND TETRAUFLUOROETHYLENE BINDING YARNS EXTENDING THROUGH SAID PLIES FROM
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |