US2630079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car truck
Assignee: American Steel Foundries
•
Filing: 1946-10-19
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Granted: 1953-03-03
•
Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Robert B Cottrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1866167A
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US2253646A
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US2222321A
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US2241418A
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US2268997A
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US2237056A
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US2264702A
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US2347628A
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US2371621A
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US2434287A
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US2519169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |