US2629338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator car bracing panel system
Assignee: International Steel Co
•
Filing: 1949-01-06
•
Granted: 1953-02-24
•
Expires: 1969-01-06
Abstract
No abstract record available.
Inventors
- 👤 Walter G Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:34
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; B60; B60P; B60P3/00; B60P3/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583321A
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US2030773A
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US2160870A
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US2375930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |