Patent US2772011A successfully refreshed from Google Patents.
US2772011A
Expired / Lapsed
US
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Bucket ejector for digging apparatus
Assignee: Individual
•
Filing: 1952-08-15
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Granted: 1956-11-27
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Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ferwerda Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:43
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/283; E02F3/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032358A
Cited
US1476375A
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US2378250A
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US2541045A
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US2397046A
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US2471639A
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US2503522A
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US2634003A
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US2698106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |