US3056267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing from submerged sites portions of previously drivenpiles
Assignee: COLUMBUS CONSTRUCTION Co
•
Filing: 1961-10-24
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Granted: 1962-10-02
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Mcree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:24
CPC Classifications
E; E02; E02D; E02D9/00; E02D9/005; E02D9/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/869; Y10T83/8748; Y10T83/8821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL49816C
Cited
US1512181A
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US1946390A
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FI24652A
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US2612194A
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US2608220A
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US2766525A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |