Patent US3233929A successfully refreshed from Google Patents.
US3233929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball joint
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-06-29
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Granted: 1966-02-08
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Edward J Herbenar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:57
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0666; F16C11/0619; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PIVOT JOINT COMPRISING A HOUSING MEMBER HAVING A GENERALLY CYLINDRICAL BORE THEREIN, A NECKED-IN SHOULDER IN SAID BORE PROVIDING AN APERTURE, A STUD PROJECTING THROUGH SAID APERTURE INTO SAID BORE AND HAVING AN ENLARGED PIVOT BEARING SURFACE THEREON, A LOAD-CARRYING BEARING SEAT POSITIONED IN SAID BORE WITH AN INWARDLY FACING SURFACE IN BEARING CONTACT WITH SAID PIVOT BEARING SURFACE, SAID SEAT BEING GENERALLY ANNULAR WITH A CONSTRICTED APERTURE AT ONE END FOR PASSAGE OF SAID STUD AND A PASSAGE AT THE OTHER END, SAID SEAT COMPRISING A YIELDING LOAD-CARRYING PLASTIC BEARING MATERIAL WITH AN OUTWARDLY PROJECTING SURFACE TAPERING OUTWARDLY FROM DIAMETER APPROXIMATELY THE SAME AS THE DIAMETER OF SAID BORE TO A DIAMETER SUBSTANTIALLY GREATER THAN THE DIAMETER OF SAID BORE WHEN SAID SEAT IS IN THE UNSTRESSED UNASSEMBLED STATE A COUNTERBORE IN SAID PASSAGE AT SAID OTHER END PRO-
Claim 2
Dependent Claim
141 words
A PIVOT JOINT COMPRISING A HOUSING MEMBER HAVING A GENERALLY CYLINDRICAL BORE THEREIN, A NECKED-IN SHOULDER IN SAID BORE PROVIDING AN APERTURE, A STUD PROJECTING THROUGH SAID APERTURE INTO SAID BORE AND HAVING AN ENLARGED PIVOT BEARING SURFACE THEREON, A LOAD-CARRYING BEARING SEAT POSITIONED IN SAID BORE WITH AN INWARDLY FACING SURFACE IN BEARING CONTACT WITH SAID PIVOT BEARING SURFACE, SAID SEAT BEING GENERALLY ANNULAR WITH A CONSTRICTED APERTURE AT ONE END FOR PASSAGE OF SAID STUD AND A PASSAGE AT THE OTHER END, SAID SEAT COMPRISING A YIELDING LOAD-CARRYING PLASTIC BEARING MATERIAL WITH AN OUTWARDLY PROJECTING SURFACE TAPERING OUTWARDLY FROM DIAMETER APPROXIMATELY THE SAME AS THE DIAMETER OF SAID BORE TO A DIAMETER SUBSTANTIALLY GREATER THAN THE DIAMETER OF SAID BORE WHEN SAID SEAT IS IN THE UNSTRESSED UNASSEMBLED STATE A COUNTERBORE IN SAID PASSAGE AT SAID OTHER END PRO-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |