US3733830C1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canal bank retaining wall means and method
Assignee: JACOBS EDNA D
•
Filing: 1971-06-07
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Granted: 2001-08-14
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Expires: 1991-06-07
Abstract
No abstract record available.
Inventors
- 👤 Marcellus L Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:40
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/02; E02B3/023; E02B5/00; E02B5/08; E02B5/082; E02B7/00; E02B7/20; E02B7/205; Y; Y10; Y10T; Y10T137/00; Y10T137/402
Claims Analysis
Total Claims: 0
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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) | 2004-08-13 | 2005-02-12 | 2005-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-13 | 2009-02-12 | 2009-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-13 | 2013-02-12 | 2013-08-14 | $7700.00 | Window Closed / Lapsed |