Patent US2500906A successfully refreshed from Google Patents.
US2500906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car truck
Assignee: Individual
•
Filing: 1944-10-28
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Granted: 1950-03-14
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Expires: 1964-10-28
Abstract
No abstract record available.
Inventors
- 👤 Leonid D Soloview
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:12
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US132643A
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US1423238A
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US674224A
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US887362A
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US1522192A
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US1474732A
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US2245585A
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GB450451A
Cited
US2161685A
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US2168578A
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US2268267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |