Patent US3714798A successfully refreshed from Google Patents.
US3714798A
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Constant velocity universal joints
Assignee: GKN Birfield Transmissions Ltd
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Filing: 1971-02-17
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Granted: 1973-02-06
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Expires: 1991-02-17
Abstract
Abstract A CONSTANT VELOCITY UNIVERSAL JOINT INCLUDES A RESTRAINING MEANS IN THE FORM OF A BALL AND SOCKET CONNECTION BETWEEN THE INNER MEMBER AND THE OUTER MEMBER OF THE JOINT. THE INNER MEMBER OF THE JOINT IS FREE TO MOVE ANGULARLY RELATIVE TO THE OUTER MEMBER BUT IS FIXED AGAINST RELATIVE AXIAL MOVEMENT BY SAID BALL AND SOCKET CONNECTION.
Inventors
- 👤 J Macielinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:39
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/2265; F16D2003/22313; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |