US2632404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled railway maintenance car
Assignee: WOOLERY MACHINE Co
•
Filing: 1948-11-26
•
Granted: 1953-03-24
•
Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Wilbert F Woolery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:37
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10; E01H8/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US371936A
Cited
US785151A
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US793924A
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US870591A
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US928445A
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US963576A
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US962398A
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US1206895A
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US1372212A
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DE456755C
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US1648753A
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US1857020A
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US1907646A
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GB403311A
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US1990029A
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US2106843A
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US2211095A
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US2239117A
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US2484715A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |