Patent US2711078A successfully refreshed from Google Patents.
US2711078A
Expired / Lapsed
US
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Pile driver construction
Assignee: Individual
•
Filing: 1950-12-15
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Granted: 1955-06-21
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Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 Charles L Guild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:49
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/14; E02D7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US569435A
Cited
US1251131A
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US1230632A
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US1957999A
Cited
US2080951A
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US2014631A
Cited
US2616267A
Cited
US2476390A
Cited
US2557873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |