Patent US2748505A successfully refreshed from Google Patents.
US2748505A
Expired / Lapsed
US
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Rotary type excavating device for loading machine
Assignee: Individual
•
Filing: 1952-07-31
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Granted: 1956-06-05
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Expires: 1972-07-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:34
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; E02F3/205; E02F3/08; E02F3/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US818215A
Cited
US1269098A
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US1346679A
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US1956738A
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US2467619A
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US2647332A
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US2624129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |