Patent US3552130A successfully refreshed from Google Patents.
US3552130A
Expired / Lapsed
US
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Method of forming a substantially liquid impervious wall in an earth formation
Assignee: Individual
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Filing: 1966-10-28
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Granted: 1971-01-05
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Expires: 1986-10-28
Abstract
Abstract 1. THE METHOD OF FORMING A LIQUID IMPERVIOUS WALLLIKE ZONE WITHIN AN EARTH FORMATION COMPRISING BACKFILLING A PLURALITY OF CAVITIES OF CUTTING INTO THE FORMATION, ESTABLISHING AT LEAST A PORTION OF SAID CAVITIES WITH A SUBSTANTALLY SANDY WALL FORMING FILLER MATERIAL; AND INTRODUCING INTO SAID CAVITY LIMITS AT LEAST A SECOND MATERIAL TO COACT WITH SAID FILLER MATERIAL TO FORM SAID LIQUID IMPERVIOUS WALL-LIKE ZONE.
Inventors
- 👤 Richard E Landau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
E; E02; E02D; E02D19/00; E02D19/06; E02D19/12; E02D19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE METHOD OF FORMING A LIQUID IMPERVIOUS WALLLIKE ZONE WITHIN AN EARTH FORMATION COMPRISING BACKFILLING A PLURALITY OF CAVITIES OF CUTTING INTO THE FORMATION, ESTABLISHING AT LEAST A PORTION OF SAID CAVITIES WITH A SUBSTANTALLY SANDY WALL FORMING FILLER MATERIAL; AND INTRODUCING INTO SAID CAVITY LIMITS AT LEAST A SECOND MATERIAL TO COACT WITH SAID FILLER MATERIAL TO FORM SAID LIQUID IMPERVIOUS WALL-LIKE ZONE.
Claim 2
Independent Claim
64 words
THE METHOD OF FORMING A LIQUID IMPERVIOUS WALLLIKE ZONE WITHIN AN EARTH FORMATION COMPRISING BACKFILLING A PLURALITY OF CAVITIES OF CUTTING INTO THE FORMATION, ESTABLISHING AT LEAST A PORTION OF SAID CAVITIES WITH A SUBSTANTALLY SANDY WALL FORMING FILLER MATERIAL; AND INTRODUCING INTO SAID CAVITY LIMITS AT LEAST A SECOND MATERIAL TO COACT WITH SAID FILLER MATERIAL TO FORM SAID LIQUID IMPERVIOUS WALL-LIKE ZONE.
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |