US3714797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joints
Assignee: GKN Birfield Transmissions Ltd
•
Filing: 1970-12-11
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Granted: 1973-02-06
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Expires: 1990-12-11
Abstract
Abstract A PLUNGING CONSTANT VELOCITY UNIVERSAL JOINT INCLUDES AN INNER MEMBER AND AN OUTER MEMBER WITH TORQUE-TRANSMITTING BALLS THEREBETWEEN AND SEALING MEANS ACTS BETWEEN THE INNER AND OUTER MEMBERS OF THE JOINT SUCH THAT A LUBRICANTTIGHT ENCLOSURE IS DEFINED AROUND THE BALLS AND THE SEALING MEANS INCLUDES A PART WHICH ACTS AS A STOP TO LIMIT PLUNGING MOVEMENT IN ONE DIRECTION. D R A W I N G
Inventors
- 👤 L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:10
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D2300/00; F16D2300/06; 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 |