Patent US3134903A successfully refreshed from Google Patents.
Patent US3308906A successfully refreshed from Google Patents.
US3308906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifetime lubricated ball joint
Assignee: Motors Liquidation Co
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Filing: 1964-06-15
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Granted: 1967-03-14
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harold J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:30
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; F16C11/0609; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A BALL JOINT ASSEMBLY COMPRISING, AN APERTURED SOCKET, A STUD EXTENDING THROUGH THE APERTURE, A HEAD PORTION FORMED ON SAID STUD HAVING AN OUTER SURFACE IN BEARING ENGAGEMENT WITH THE INNER SURFACE OF SAID SOCKET, MEANS FORMING A LUBRICANT RESERVOIR IN SAID HEAD PORTION, AND SOLID PELLET MEANS IN SAID RESERVOIR OPERABLE RESPONSIVE TO A CHEMICAL REACTION TO SLOWLY EPAND AND DISPLACE LUBRICANT THEREFROM AT A RATE SUFFICIENT TO ASSURE MAINTENANCE OF A FILM OF LUBRICANT BETWEEN SAID BEARING SURFACES.
Claim 2
Dependent Claim
80 words
A BALL JOINT ASSEMBLY COMPRISING, AN APERTURED SOCKET, A STUD EXTENDING THROUGH THE APERTURE, A HEAD PORTION FORMED ON SAID STUD HAVING AN OUTER SURFACE IN BEARING ENGAGEMENT WITH THE INNER SURFACE OF SAID SOCKET, MEANS FORMING A LUBRICANT RESERVOIR IN SAID HEAD PORTION, AND SOLID PELLET MEANS IN SAID RESERVOIR OPERABLE RESPONSIVE TO A CHEMICAL REACTION TO SLOWLY EPAND AND DISPLACE LUBRICANT THEREFROM AT A RATE SUFFICIENT TO ASSURE MAINTENANCE OF A FILM OF LUBRICANT BETWEEN SAID BEARING SURFACES.
References Cited (Backward Citations)
US1686872A
Cited
US2439053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |