Patent US2678592A successfully refreshed from Google Patents.
US2678592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island type foundation structure
Assignee: Individual
•
Filing: 1950-03-02
•
Granted: 1954-05-18
•
Expires: 1970-03-02
Abstract
No abstract record available.
Inventors
- 👤 George P Wiedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:10
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/84; F; F16; F16M; F16M5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1619063A
Cited
US1726267A
Cited
US1926131A
Cited
US2007898A
Cited
US2153392A
Cited
US2116020A
Cited
US2182126A
Cited
US2294855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |