US2723532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile driving cap block
Assignee: —
•
Filing: —
•
Granted: 1955-11-15
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:28
CPC Classifications
E; E02; E02D; E02D13/00; E02D13/10; E02D7/00; E02D7/02; E02D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US873517A
Cited
US1178143A
Cited
US1595267A
Cited
US2184745A
Cited
US2214295A
Cited
US2295489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |