US3242877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension arrangements for traction motors of railway vehicles
Assignee: Metalastik Ltd
•
Filing: 1964-09-09
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Granted: 1966-03-29
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Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Hirst Archie John
- 👤 Clark Kenneth John Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:29
CPC Classifications
B; B61; B61C; B61C9/00; B61C9/38; B61C9/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A NOSE SUSPENSION FOR AN AXLE HUNG TRACTION MOTOR OF A RAILWAY VEHICLE COMPRISING A BEAM MEMBER TO BE DISPOSED IN THE HORIZONTAL TRANSVERSE DIRECTION OF THE VEHICLE, TWO PAIRS OF SPRINGS FOR SUPPORTING THE BEAM MEMBER FROM A FRAME OF THE VEHICLE, SAID PAIRS OF SPRINGS BEING LOCATED RESPECTIVELY ONE TOWARDS EACH END OF THE BEAM MEMBER AND ARRANGED FOR THE ENGAGEMENT OF EACH SPRING OF EACH PAIR BETWEEN THE BEAM MEMBER AND THE
Claim 2
Dependent Claim
75 words
A NOSE SUSPENSION FOR AN AXLE HUNG TRACTION MOTOR OF A RAILWAY VEHICLE COMPRISING A BEAM MEMBER TO BE DISPOSED IN THE HORIZONTAL TRANSVERSE DIRECTION OF THE VEHICLE, TWO PAIRS OF SPRINGS FOR SUPPORTING THE BEAM MEMBER FROM A FRAME OF THE VEHICLE, SAID PAIRS OF SPRINGS BEING LOCATED RESPECTIVELY ONE TOWARDS EACH END OF THE BEAM MEMBER AND ARRANGED FOR THE ENGAGEMENT OF EACH SPRING OF EACH PAIR BETWEEN THE BEAM MEMBER AND THE
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |