Patent US2906041A successfully refreshed from Google Patents.
US2906041A
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Structure for swingably supporting and for elevating railroad spreader main wing
Assignee: O F JORDAN CO
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Filing: 1954-09-30
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Granted: 1959-09-29
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Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Calvin W Shipley
- 👤 William T Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:50
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/02; E01B27/023; E01B27/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FI22001A
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US881253A
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US1718550A
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US1585915A
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US1765854A
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US1723299A
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US1836049A
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US2643470A
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US2777220A
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US2674385A
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |