US3010232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating, dredging, raising, and transmitting earthy and other loose matter
Assignee: SKAKEL
•
Filing: 1959-10-08
•
Granted: 1961-11-28
•
Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 James C Skakel
- 👤 Jack A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:57
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/94; E02F3/92; E02F3/9212; E02F3/9225; E02F3/9237; E21; E21C; E21C50/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US496342A
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US503655A
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US1055371A
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US1149989A
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US1270142A
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US1554076A
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US1758047A
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US2044088A
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US2144743A
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US2076823A
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US2178265A
Cited
US2711598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |