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US2437524A
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US
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Self-propelled tamping roller
Assignee: Buffalo Springfield Roller Co
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Filing: 1944-09-21
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Granted: 1948-03-09
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Expires: 1964-09-21
Abstract
No abstract record available.
Inventors
- 👤 John F Harrison
- 👤 Carl F Greiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:22
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/27; E02; E02D; E02D3/00; E02D3/02; E02D3/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1512803A
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US1624734A
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US1738490A
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US1822143A
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US2164845A
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US2230317A
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US2226182A
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US2171098A
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US2256594A
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US2303336A
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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) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |