Patent FR512252A successfully refreshed from Google Patents.
US2155155A
Expired / Lapsed
US
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Tie plate arrangement for railroads
Assignee: RESILIENT PRODUCTS Corp
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Filing: 1933-09-19
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Granted: 1939-04-18
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Expires: 1953-09-19
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:30
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/68; E01B9/681; E01B9/683
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) | 1942-04-17 | 1942-10-17 | 1943-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-17 | 1946-10-17 | 1947-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-17 | 1950-10-17 | 1951-04-18 | $7700.00 | Window Closed / Lapsed |