Patent US2426137A successfully refreshed from Google Patents.
US2426137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail brace
Assignee: Individual
•
Filing: 1945-05-16
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Granted: 1947-08-19
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Expires: 1965-05-16
Abstract
No abstract record available.
Inventors
- 👤 James H Asselin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:13
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US837175A
Cited
US1074005A
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US1126507A
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US1365680A
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US1370302A
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US1478558A
Cited
DE470061C
Cited
US2035929A
Cited
US2257853A
Cited
US2356080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |