Patent US3338183A successfully refreshed from Google Patents.
US3338183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rigid railway bogie
Assignee: Usines et Acieries de Sambre et Meuse
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Filing: 1964-08-12
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Granted: 1967-08-29
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Boissier Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:50
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/50; B61F5/52; B61F5/26; B61F5/30; B61F5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A TURCK FOR RAILROAD VEHICLES, COMPRISING TWO PARALLEL LONGITUDINAL SIDE MEMBERS FORMED OF CAST STEEL BOX GIRDERS, EACH OF SAID BOX GIRDERS HAVING A SUBSTANTIALLY QUADRILATERAL CROSS SECTION AND TWO LATERAL SIDE WALLS, EACH OF SAID MEMBERS HAVING TWO COAXIAL CIRCULAR HOLES IN ITS CENTRAL PART AND EXTENDING THROUGH SAID SIDE WALLS, AND A CENTRAL CROSSBAR, ALSO OF CAST STEEL, SAID CROSSBAR HAVING TWO ENDS OF CIRCULAR CROSS SECTION, TWO SPACED ANNULAR MACHINED AREARS ON EACH OF SAID ENDS, SAID CROSSBAR ENDS TRAVERSING RESPECTIVELY SAID BOX GIRDERS THROUGH SAID HOLES AND BEING IN CONTACT THEREWITH ONLY ALONG SAID ANNULAR MACHINED AREAS, SAID CROSSBAR BEING WELDED TO SAID BOX GIRDERS ONLY ALONG THE OUTER JUNCTION OF SAID HOLES ALONG SAID SPACED ANNULAR MACHINED AREAS OF SAID CROSSBAR, SAID ENDS OF SAID CROSSBAR WHEN WELDED TO SAID BOX GIRDERS FORMING THE ONLY BRACE BETWEEN SAID SIDE WALLS AT SAID HOLES.
Claim 2
Dependent Claim
148 words
A TURCK FOR RAILROAD VEHICLES, COMPRISING TWO PARALLEL LONGITUDINAL SIDE MEMBERS FORMED OF CAST STEEL BOX GIRDERS, EACH OF SAID BOX GIRDERS HAVING A SUBSTANTIALLY QUADRILATERAL CROSS SECTION AND TWO LATERAL SIDE WALLS, EACH OF SAID MEMBERS HAVING TWO COAXIAL CIRCULAR HOLES IN ITS CENTRAL PART AND EXTENDING THROUGH SAID SIDE WALLS, AND A CENTRAL CROSSBAR, ALSO OF CAST STEEL, SAID CROSSBAR HAVING TWO ENDS OF CIRCULAR CROSS SECTION, TWO SPACED ANNULAR MACHINED AREARS ON EACH OF SAID ENDS, SAID CROSSBAR ENDS TRAVERSING RESPECTIVELY SAID BOX GIRDERS THROUGH SAID HOLES AND BEING IN CONTACT THEREWITH ONLY ALONG SAID ANNULAR MACHINED AREAS, SAID CROSSBAR BEING WELDED TO SAID BOX GIRDERS ONLY ALONG THE OUTER JUNCTION OF SAID HOLES ALONG SAID SPACED ANNULAR MACHINED AREAS OF SAID CROSSBAR, SAID ENDS OF SAID CROSSBAR WHEN WELDED TO SAID BOX GIRDERS FORMING THE ONLY BRACE BETWEEN SAID SIDE WALLS AT SAID HOLES.
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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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |