US2602405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight car construction
Assignee: Youngstown Steel Door Co
•
Filing: 1949-07-19
•
Granted: 1952-07-08
•
Expires: 1969-07-19
Abstract
No abstract record available.
Inventors
- 👤 Carl E Johansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:38
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1079652A
Cited
US1074793A
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US1949745A
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US2193194A
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US2317677A
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US2361276A
Cited
USRE22868E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |