US3522707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piling construction
Assignee: Individual
•
Filing: 1967-11-20
•
Granted: 1970-08-04
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Gabriel Fuentes Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:57
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/20; E02D5/22; E02D5/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US756805A
Cited
US985681A
Cited
US969136A
Cited
US1275470A
Cited
US1936540A
Cited
US1954070A
Cited
US2168269A
Cited
US2430879A
Cited
US2698519A
Cited
US3199300A
Cited
US3198614A
Cited
GB1009499A
Cited
US3343614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |