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US2497900A
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Fairlead for semitrailer scrapers or wagons
Assignee: Caterpillar Global Mining LLC
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Filing: 1945-12-03
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Granted: 1950-02-21
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Expires: 1965-12-03
Abstract
No abstract record available.
Inventors
- 👤 George W Mork
- 👤 Reuter Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:45
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/2016; B; B60; B60D; B60D1/00; B60D1/24; B60D1/26; E02F3/00; E02F3/04; E02F3/64; E02F3/6454; E02F3/65; E02F3/653; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |