US3623339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows flexible joint
Assignee: Ford Motor Co
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Filing: 1969-11-28
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Granted: 1971-11-30
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Expires: 1989-11-28
Abstract
Abstract A FLEXIBLE JOINT FOR TRANSFERRING TORQUE INCLUDING A MULTILAYERED METAL CYLINDRICAL BELLOWS IN WHICH THE LAYERS OF METAL ARE SEPARATED BY AN ELASTOMERIC MATERIAL. THE ELASTOMERIC MATERIAL FUNCTIONS TO EQUALIZE STRESSES IN THE METAL BELLOWS AND TO REDUCE TORSIONAL WINDUP.
Inventors
- 👤 George H Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:02
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |