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US2811231A
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Steering, braking and tramming control for mine vehicles
Assignee: Goodman Manufacturing Co LP
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Filing: 1954-10-26
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Granted: 1957-10-29
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Mccallum
- 👤 George W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:40
CPC Classifications
B; B62; B62D; B62D9/00; E; E21; E21D; E21D11/00; E21D11/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1748041A
Cited
US2323817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |