Patent US2424202A successfully refreshed from Google Patents.
US2424202A
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Railway tie treating apparatus
Assignee: WOOLERY MACHINE Co
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Filing: 1944-04-28
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Granted: 1947-07-15
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Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
- 👤 Woolery Myra Lillian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:13
CPC Classifications
E; E01; E01B; E01B31/00; E01B31/20; B; B05; B05B; B05B12/00; B05B12/16; B05B12/32; B05B12/34; B05B13/00; B05B13/02; B05B13/04; B05B13/0405; B05B13/041; B05B13/0415; B05B9/00; B05B9/002; B05B9/007; B05B9/03; B05B9/04; B05B9/0403; B05B9/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1059647A
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US1636161A
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US2026678A
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US2076172A
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US2315162A
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US2317288A
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US2367594A
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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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |