Patent US2682188A successfully refreshed from Google Patents.
US2682188A
Expired / Lapsed
US
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Railroad track washer holder for power wrenches
Assignee: Woodings Verona Tool Works
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Filing: 1952-10-08
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Granted: 1954-06-29
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Expires: 1972-10-08
Abstract
No abstract record available.
Inventors
- 👤 Ferrell Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:53
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US313418A
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US1326817A
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US1020964A
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US1270766A
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US1477184A
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US1824300A
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US2417757A
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US2556536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |