US3468131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining structures placed into the ground and their procedures of execution
Assignee: Individual
•
Filing: 1966-12-13
•
Granted: 1969-09-23
•
Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jacques Seidenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:35
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/08; E02D27/00; E02D27/10; E02D27/12; E02D27/14; E02D27/32; E02D27/48; E02D31/00; E02D31/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR587218A
Cited
US763213A
Cited
GB148701A
Cited
CH90630A
Cited
GB263997A
Cited
US2313109A
Cited
CH245930A
Cited
US3135097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |