US2637124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear endgate actuating mechanism for carry-type scrapers
Assignee: Keppel LeTourneau USA Inc
•
Filing: 1947-08-19
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Granted: 1953-05-05
•
Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/656; B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44; E02F3/6454; E02F3/6481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2345313A
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US855336A
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US2246083A
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GB536317A
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US2293982A
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US2422813A
Cited
US2353120A
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US2394483A
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US2395244A
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US2406300A
Cited
US2529848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |