US3570254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for protecting an earth surface against scour
Assignee: Individual
•
Filing: 1969-01-17
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Granted: 1971-03-16
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Expires: 1989-01-17
Abstract
Abstract METHOD AND MEANS FOR FORMING PROTECTIVE LINER BODY ON AN EARTH SITUS. POROUS FABRIC FORMED AND/OR SHAPED IN ONE OF A NUMBER OF WAYS AS CLOSED CONTAINER ABOUT QUANTITY OF LOOSE FILLER MATERIAL, SUCH AS AGGREGATE. PRESSURIZED, HYDRAULIC CEMENT MORTAR PUMPED INTO FORMED CONTAINER TO PERMEATE THE FILLER MATERIAL AND EXPAND ANCHORINGLY RESTRAINED CONTAINER WALLS, UNTIL FLUID MOTOR OOZES THROUGH FABRIC PORES. FLUID HARDENS INTO SOLID LINER BODY WITH FILLER MATERIAL DISCRETELY DISPENSED THEREIN.
Inventors
- 👤 Lee A Turzillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:11
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/127
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |