Patent US3038265A successfully refreshed from Google Patents.
US3038265A
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Method and apparatus for moving earth
Assignee: Caterpillar Inc
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Filing: 1959-02-04
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Granted: 1962-06-12
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Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hunger
- 👤 Eugene E Wuigk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:31
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/652; E02F3/6409; E02F3/6436; E02F3/654; E02F3/96; E02F3/961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1185834A
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US2061924A
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FR873189A
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US2243831A
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US2312390A
Cited
US2348910A
Cited
US2480656A
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US2674817A
Cited
US2830392A
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US2927385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |