Patent US2698104A successfully refreshed from Google Patents.
US2698104A
Expired / Lapsed
US
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Mine haulage vehicle
Assignee: Joy Manufacturing Co
•
Filing: 1950-10-27
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Granted: 1954-12-28
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Expires: 1970-10-27
Abstract
No abstract record available.
Inventors
- 👤 Victor I Dudley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:21
CPC Classifications
E; E21; E21F; E21F13/00; E21F13/02; E21F13/025; B; B61; B61C; B61C13/00; B61C13/02
Claims Analysis
Total Claims: 0
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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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |