Patent US2708543A successfully refreshed from Google Patents.
US3137515A
Expired / Lapsed
US
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Fifth wheel structure
Assignee: Neway Equipment Co
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Filing: 1962-04-16
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Granted: 1964-06-16
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Lloyd D Masser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:44
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0885
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
FIFTH WHEEL STRUCTURE COMPRISING, A FIFTH WHEEL MEMBER AND MEANS PROVIDING A SUPPORT, A LOAD-TRANSMITTING CONNECTION BETWEEN SAID MEMBER AND SUPPORT WHICH FACILITATES SWINGING OF SAID MEMBER AND SUPPORT TOWARD AND AWAY FROM EACH OTHER, AIR PRESSURE SPRING MEANS OPERABLY INTERPOSED BETWEEN THE PORTIONS OF THE SUPPORT AND MEMBER WHICH SWING TOWARD AND AWAY FROM EACH OTHER, SAID SUPPORT INCLUDING MEANS ADAPTED TO BE ROCKABLY MOUNTED ON A VEHICLE ON WHICH SAID FIFTH WHEEL IS ADAPTED TO BE USED, VALVE MEANS OPERABLE TO CONTROL THE AIR PRESSURE IN SAID SPRING MEANS, ACTUATING MECHANISM OPERABLE TO ACTUATE SAID VALVE RESPONSIVE TO VERTICAL MOVEMENT OF SAID MEMBER IN COUPLED CONDITION RELATIVE TO A VEHICLE FOR CONTROLLING THE HEIGHT OF SAID MEMBER,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |