US2823624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inside lining sheet for freight car
Assignee: Standard Railway Equipment Manufacturing Co
•
Filing: 1954-03-11
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Granted: 1958-02-18
•
Expires: 1974-03-11
Abstract
No abstract record available.
Inventors
- 👤 James S Swann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:48
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1773403A
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US1849743A
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US2069986A
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US2000531A
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US2059025A
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US2092959A
Cited
US2314978A
Cited
US2316696A
Cited
US2632212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |