Patent US2928355A successfully refreshed from Google Patents.
US2928355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad track lining machine
Assignee: RAILWAY MAINTENANCE CORP
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Filing: 1956-07-09
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Granted: 1960-03-15
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 James B Mcwilliams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
E; E01; E01B; E01B33/00; E01B33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US264481A
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US298736A
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US765211A
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US1448372A
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US1592153A
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US2050179A
Cited
US2684641A
Cited
US2693769A
Cited
US2781002A
Cited
US2818820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |