US3388923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kingpin assembly and method for using same
Assignee: Individual
•
Filing: 1965-09-27
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Granted: 1968-06-18
•
Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Maynard Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:28
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49718; Y10T29/49748; Y10T29/49826; Y10T29/49833; Y10T29/49861; Y10T29/53; Y10T29/53652
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A KINGPIN ASSEMBLY FOR ASSOCIATING A SPINDLE WITH A CROSS-MEMBER COMPRISING: A PAIR OF PRIMARY BUSHINGS DISPOSED RESPECTIVELY WITHIN A FIRST OPENING AND A SECOND OPENING OF SAID SPINDLE; AND A KINGPIN HAVING A CUTTER AT THE LEADING END THEREOF, SAID CUTTER BEING SIZED TO REAM OUT SAID FIRST AND SECOND PRIMARY BUSHINGS TO A PROPER INTERNAL DIMENSION WHEN SAID BUSHINGS ARE DISPOSED WITHIN THE OPENINGS OF SAID SPINDLE, SAID KINGPIN BEING POSITIONED THROUGH THE REAMED OUT SAID FIRST AND SECOND PRIMARY BUSHINGS AND SAID CROSS-MEMBER TO PROVIDE AN OPERATIVE ASSOCIATION OF SAID SPINDLE WITH SAID CROSS-MEMBER.
Claim 2
Dependent Claim
97 words
A KINGPIN ASSEMBLY FOR ASSOCIATING A SPINDLE WITH A CROSS-MEMBER COMPRISING: A PAIR OF PRIMARY BUSHINGS DISPOSED RESPECTIVELY WITHIN A FIRST OPENING AND A SECOND OPENING OF SAID SPINDLE; AND A KINGPIN HAVING A CUTTER AT THE LEADING END THEREOF, SAID CUTTER BEING SIZED TO REAM OUT SAID FIRST AND SECOND PRIMARY BUSHINGS TO A PROPER INTERNAL DIMENSION WHEN SAID BUSHINGS ARE DISPOSED WITHIN THE OPENINGS OF SAID SPINDLE, SAID KINGPIN BEING POSITIONED THROUGH THE REAMED OUT SAID FIRST AND SECOND PRIMARY BUSHINGS AND SAID CROSS-MEMBER TO PROVIDE AN OPERATIVE ASSOCIATION OF SAID SPINDLE WITH SAID CROSS-MEMBER.
References Cited (Backward Citations)
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US2208189A
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US2267925A
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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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |