US4293245B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural system and structural elements for use and construction of earth filled walls
Assignee: Geotech Lizenz AG
•
Filing: 1979-06-08
•
Granted: 1997-11-18
•
Expires: 1999-06-08
Abstract
No abstract record available.
Inventors
- 👤 Felix P Jaecklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:26
CPC Classifications
E; E01; E01F; E01F8/00; E01F8/02; E01F8/021; E01F8/022; E02; E02D; E02D29/00; E02D29/02; E02D29/0216
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) | 2000-11-17 | 2001-05-19 | 2001-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-17 | 2005-05-19 | 2005-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-17 | 2009-05-19 | 2009-11-18 | $7700.00 | Window Closed / Lapsed |