US2241418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck
Assignee: General Steel Castings Corp
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Filing: 1938-10-31
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Granted: 1941-05-13
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Expires: 1958-10-31
Abstract
No abstract record available.
Inventors
- 👤 Karl F Nystrom
- 👤 Edmund S Beckette
- 👤 Vernon L Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:02
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/125; B61F5/122; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53613; Y10T29/53622; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-05-12 | 1944-11-11 | 1945-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-12 | 1948-11-11 | 1949-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-12 | 1952-11-11 | 1953-05-13 | $7700.00 | Window Closed / Lapsed |