Patent US3023155A successfully refreshed from Google Patents.
Patent US2342243A successfully refreshed from Google Patents.
US2342243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of piles, caissons, and the like in situ
Assignee: Individual
•
Filing: 1941-02-10
•
Granted: 1944-02-22
•
Expires: 1961-02-10
Abstract
No abstract record available.
Inventors
- 👤 Brizay Emile Alexandre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:58
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/52; E02D5/523; E02D7/00; E02D7/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-02-21 | 1947-08-23 | 1948-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-21 | 1951-08-23 | 1952-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-21 | 1955-08-23 | 1956-02-22 | $7700.00 | Window Closed / Lapsed |