US3254904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding king pin
Assignee: Great Dane Trailers Inc
•
Filing: 1964-06-08
•
Granted: 1966-06-07
•
Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert A Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:15
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0842; B62D53/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN UPPER FIFTH WHEEL ASSEMBLY COMPRISING, A PLURALITY OF TRANSVERSELY EXTENDING, SPACED LOAD BEARING BOLSTERS, BRACES EXTENDING AT RIGHT ANGLES TO THE BOLSTERS, THE BOLSTES AND BRACES HAVING VERTICAL FLANGES TERMINATING IN A COMMON PLANE, A WEAR PLATE CONNECTED TO THE SAID FLANGES, A KING PIN HOUSING IN THE FORM OF AN INVERTED CHANNEL, A KING PIN PIVOTALLY MOUNTED IN THE HOUSING FOR ROTATIVE MOVEMENT TO ASSUME AN INOPERATIVE POSITION WHOLLY WITHIN THE HOUSING AND AN OPERATIVE POSITION PROJECTING FROM THE HOUSING, A LOCKING PIN SLIDABLY MOUNTED IN THE HOUSING, SAID KING PIN HAVING MEANS ENGAGEABLE BY THE LOCKING PIN TO HOLD THE KING PIN IN OPERATIVE AND INOPERATIVE POSITIONS, AND THE WEAR PLATE HAVING AN OPENING THEREIN AND THE KING PIN HOUSING BEING MOUNTED IN THE OPENING.
Claim 2
Dependent Claim
128 words
AN UPPER FIFTH WHEEL ASSEMBLY COMPRISING, A PLURALITY OF TRANSVERSELY EXTENDING, SPACED LOAD BEARING BOLSTERS, BRACES EXTENDING AT RIGHT ANGLES TO THE BOLSTERS, THE BOLSTES AND BRACES HAVING VERTICAL FLANGES TERMINATING IN A COMMON PLANE, A WEAR PLATE CONNECTED TO THE SAID FLANGES, A KING PIN HOUSING IN THE FORM OF AN INVERTED CHANNEL, A KING PIN PIVOTALLY MOUNTED IN THE HOUSING FOR ROTATIVE MOVEMENT TO ASSUME AN INOPERATIVE POSITION WHOLLY WITHIN THE HOUSING AND AN OPERATIVE POSITION PROJECTING FROM THE HOUSING, A LOCKING PIN SLIDABLY MOUNTED IN THE HOUSING, SAID KING PIN HAVING MEANS ENGAGEABLE BY THE LOCKING PIN TO HOLD THE KING PIN IN OPERATIVE AND INOPERATIVE POSITIONS, AND THE WEAR PLATE HAVING AN OPENING THEREIN AND THE KING PIN HOUSING BEING MOUNTED IN THE OPENING.
References Cited (Backward Citations)
US2015313A
Cited
US2494799A
Cited
US2867450A
Cited
US2981555A
Cited
US3135528A
Cited
US3082020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |