US2580760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car
Assignee: Individual
•
Filing: 1946-05-17
•
Granted: 1952-01-01
•
Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:46
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/004; E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US16831A
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US93359A
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US781643A
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US728044A
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US1119940A
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US1284413A
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US1688685A
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US2061318A
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US1861888A
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US2167427A
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US2292251A
Cited
US2258447A
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US2452163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |