US3147023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer suspension system
Assignee: Individual
•
Filing: 1963-01-24
•
Granted: 1964-09-01
•
Expires: 1983-01-24
Abstract
No abstract record available.
Inventors
- 👤 James W Raymo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:31
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A TANDEM SUSPENSION SYSTEM FOR A TRAILER COMPRISING, IN COMBINATION; A VERTICALLY VARIABLY POSITIONABLE RETAINER MEMBER PIVOTABLY ATTACHED TO SAID TRAILER; A FORWARD ROCKER ARM PIVOTABLY ATTACHED AT ONE END TO SAID RETAINER MEMBER AND EXTENDING FORWARDLY IN THE DIRECTION OF THE FORWARD MOVEMENT OF SAID TRAILER; A REARWARD ROCKER ARM PIVOTABLY ATTACHED AT ONE END TO SAID RETAINER MEMBER AND EXTENDING GENERALLY IN THE DIRECTION OF REARWARD MOVEMENT OF SAID TRAILER, BOTH SAID FORWARD AND SAID REARWARD ROCKER ARMS PIVOTABLE IN A PLANE PARALLEL TO THE LENGTH OF SAID TRAILER;
Claim 2
Dependent Claim
91 words
A TANDEM SUSPENSION SYSTEM FOR A TRAILER COMPRISING, IN COMBINATION; A VERTICALLY VARIABLY POSITIONABLE RETAINER MEMBER PIVOTABLY ATTACHED TO SAID TRAILER; A FORWARD ROCKER ARM PIVOTABLY ATTACHED AT ONE END TO SAID RETAINER MEMBER AND EXTENDING FORWARDLY IN THE DIRECTION OF THE FORWARD MOVEMENT OF SAID TRAILER; A REARWARD ROCKER ARM PIVOTABLY ATTACHED AT ONE END TO SAID RETAINER MEMBER AND EXTENDING GENERALLY IN THE DIRECTION OF REARWARD MOVEMENT OF SAID TRAILER, BOTH SAID FORWARD AND SAID REARWARD ROCKER ARMS PIVOTABLE IN A PLANE PARALLEL TO THE LENGTH OF SAID TRAILER;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |