Patent US4124843A successfully refreshed from Google Patents.
US2864516A
Expired / Lapsed
US
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Apparatus for handling crossties
Assignee: Southern Wood Preserving Co
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Filing: 1956-12-07
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Granted: 1958-12-16
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:48
CPC Classifications
B; B66; B66C; B66C13/00; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1490235A
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US1627656A
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US1971339A
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US2310160A
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US2613825A
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US2693287A
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US2711831A
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US2750054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |