Patent US3092039A successfully refreshed from Google Patents.
US3092039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspended railway systems
Assignee: General Steel Industries Inc
•
Filing: 1958-07-28
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Granted: 1963-06-04
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Expires: 1978-07-28
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:46
CPC Classifications
B; B61; B61C; B61C13/00; B61C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A RAILWAY TRUCK, SPRING-SUPPORTING STRUCTURE INCLUDING WHEELS SPACED APART LONGITUDINALLY OF THE TRUCK AND ADAPTED TO ROLL ON AN UPPER SURFACE OF A RAIL AND A RIGID TRUCK FRAME HAVING AN UPPER PORTION SUPPORTED FROM SAID WHEELS AND ADAPTED TO OVERLIE THE RAIL AND A DEPENDING PORTION ADAPTED TO UNDERLIE THE RAIL, FIRST MEANS ON SAID SPRING-SUPPORTING STRUCTURE AT APPROXIMATELY THE LEVEL OF SAID WHEELS AND ARRANGED FOR ENGAGEMENT WITH OPPOSITE SIDES OF THE RAIL, AND SECOND MEANS CARRIED BY SAID DEPENDING PORTION AT A LEVEL SUBSTANTIALLY LOWER THAN SAID WHEELS AND ARRANGED FOR CONSTANT ENGAGEMENT WITH OPPOSITE SIDES OF THE RAIL, AND RIGID LOAD-SUPPORTING STRUCTURE SPRING-SUPPORTED AT A LEVEL HIGHER THAN THE RAIL ON
Claim 2
Dependent Claim
116 words
IN A RAILWAY TRUCK, SPRING-SUPPORTING STRUCTURE INCLUDING WHEELS SPACED APART LONGITUDINALLY OF THE TRUCK AND ADAPTED TO ROLL ON AN UPPER SURFACE OF A RAIL AND A RIGID TRUCK FRAME HAVING AN UPPER PORTION SUPPORTED FROM SAID WHEELS AND ADAPTED TO OVERLIE THE RAIL AND A DEPENDING PORTION ADAPTED TO UNDERLIE THE RAIL, FIRST MEANS ON SAID SPRING-SUPPORTING STRUCTURE AT APPROXIMATELY THE LEVEL OF SAID WHEELS AND ARRANGED FOR ENGAGEMENT WITH OPPOSITE SIDES OF THE RAIL, AND SECOND MEANS CARRIED BY SAID DEPENDING PORTION AT A LEVEL SUBSTANTIALLY LOWER THAN SAID WHEELS AND ARRANGED FOR CONSTANT ENGAGEMENT WITH OPPOSITE SIDES OF THE RAIL, AND RIGID LOAD-SUPPORTING STRUCTURE SPRING-SUPPORTED AT A LEVEL HIGHER THAN THE RAIL ON
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |