Patent US2970552A successfully refreshed from Google Patents.
US2970552A
Expired / Lapsed
US
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Cargo securing apparatus
Assignee: ILLINOIS CENTRAL RAILROAD Co
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Filing: 1959-02-26
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Granted: 1961-02-07
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Claude B Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:02
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/008; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2742874A
Cited
US1934697A
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US2024444A
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US1934165A
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US2128667A
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US2227870A
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US2802429A
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US2837038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |