US3146866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pantograph carriage
Assignee: United States Steel Corp
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Filing: 1961-06-28
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Granted: 1964-09-01
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Harold G Frostick
- 👤 Glenn N Krueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
B; B60; B60L; B60L5/00; B60L5/38; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PANTOGRAPH CARRIAGE ADAPTED TO BE MOUNTED ON A VEHICLE FOR TRAVEL ALONG A RIGID COLLECTOR RAIL, COMPRISING A YOKE, A PLURALITY OF PANTOGRAPH ASSEMBLIES MOUNTED ON AND EXTENDING INWARDLY OF SAID YOKE AND MEANS CARRIED BY SAID VEHICLE FLOATINGLY SUPPORTING SAID YOKE, SAID MEANS INCLUDING A FRAME SUPPORTING SAID YOKE, A TILTING LEVER PIVOTED AT ONE END TO THE FRAME AND A COUNTERWEIGHT ON THE OTHER END OF SAID LEVER.
Claim 2
Dependent Claim
71 words
A PANTOGRAPH CARRIAGE ADAPTED TO BE MOUNTED ON A VEHICLE FOR TRAVEL ALONG A RIGID COLLECTOR RAIL, COMPRISING A YOKE, A PLURALITY OF PANTOGRAPH ASSEMBLIES MOUNTED ON AND EXTENDING INWARDLY OF SAID YOKE AND MEANS CARRIED BY SAID VEHICLE FLOATINGLY SUPPORTING SAID YOKE, SAID MEANS INCLUDING A FRAME SUPPORTING SAID YOKE, A TILTING LEVER PIVOTED AT ONE END TO THE FRAME AND A COUNTERWEIGHT ON THE OTHER END OF SAID LEVER.
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) | 1967-09-01 | 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 |