Patent US3605967A successfully refreshed from Google Patents.
US3605967A
Expired / Lapsed
US
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Protective bearing member for brake or clutch
Assignee: Goodrich Corp
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Filing: 1969-04-07
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Granted: 1971-09-20
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Expires: 1989-04-07
Abstract
Abstract A PROTECTIVE BEARING MEMBER FOR A BRAKE WHICH IS SUITABLE FOR VERY ENERGY SERVICE SUCH AS ON AIRCRAFT AND HAS ROTORS AND STATORS OF A LIGHTWEIGHT FRANGIBLE HEAT ABSORBING MATERIAL. THE PROTECTIVE BEARING MEMBERS ARE OF A WEAR-RESISTANT DURABLE MATERIAL AND ARE MOUNTED IN SLOTS IN THE PERIPHERAL EDGES OF THE STATORS AND ROTORS FOR SLIDING ENGAGEMENT WITH KEYS OR SPLINED OF THE SUPPORTING MEMBERS AND FOR TORQUE TRANSMITTING ENGAGEMENT WITH THE STATORS AND ROTORS.
Inventors
- 👤 John H Warren
- 👤 Marvin E Hotchkiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:38
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/648; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D65/00; F16D65/02; F16D65/12; F16D65/122; F16D65/125; F16D65/126; F16D2055/0004; F16D2055/0058; F16D2065/13; F16D2065/1304; F16D2065/1312; F16D2065/134; F16D2065/1356; F16D2065/1368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |