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US4875805A
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US
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Toxic waste storage facility
Assignee: CROSSNO JOHN M
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Filing: 1988-09-06
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Granted: 1989-10-24
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Expires: 2008-09-06
Abstract
Abstract A toxic waste storage facility is formed of a plurality of contiguous storage cells. Each of the storage cells has walls made from compacted earth blocks and has a floor of compacted layers of clay with an impervious plastic liner beneath the layers of clay. A plurality of liquid storage containers, each containing toxic waste, are stacked in each of the storage cells. Clay filler is located within the walls of the storage cells and fills the space around the containers.
Inventors
- 👤 Robert Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:29
CPC Classifications
B; B09; B09B; B09B1/00; E; E02; E02D; E02D31/00; E02D31/002; E02D31/004; E04; E04H; E04H5/00; E04H5/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
108 words
A toxic waste storage facility comprising: a plurality of contiguous above-ground storage cells, each of the storage cells defined by substantially vertical walls constructed from separate compacted earth blocks, the walls enclosing each of the storage cells and isolating each storage cell from each adjacent storage cell, each of the storage cells having a floor of compacted layers of clay with an impervious plastic liner beneath the layers of clay; a plurality of liquid storage containers stacked in each of the storage cells, each of the containers containing toxic waste; and clay filler located within the walls of the storage cells and filling the space around the containers.
Claim 2
Dependent Claim
108 words
A toxic waste storage facility comprising: a plurality of contiguous above-ground storage cells, each of the storage cells defined by substantially vertical walls constructed from separate compacted earth blocks, the walls enclosing each of the storage cells and isolating each storage cell from each adjacent storage cell, each of the storage cells having a floor of compacted layers of clay with an impervious plastic liner beneath the layers of clay; a plurality of liquid storage containers stacked in each of the storage cells, each of the containers containing toxic waste; and clay filler located within the walls of the storage cells and filling the space around the containers.
Claim 3
Dependent Claim
52 words
A toxic waste storage facility as defined in claim 1, comprising in addition: a cistern located at one end of the plurality of contiguous storage cells, at least a portion of the cistern being located below the level of the clay floor, the cistern continuously receiving drainage downwardly from the clay floor.
Claim 4
Dependent Claim
67 words
A toxic waste storage facility as defined in claim 1, comprising in addition: a leak detector system comprising a plurality of porous pipes extending beneath the storage cells, each of the porous pipes having a riser at each end providing a pair of risers for each pipe, one of the risers for filling the pipe with liquid and the other of the risers for recovering the liquid.
Claim 5
Dependent Claim
37 words
A toxic waste storage facility as defined in claim 1, wherein the storage cells are arranged in two rows, and comprising in addition: a driveway between the two rows of storage cells providing access to the cells.
Claim 6
Dependent Claim
26 words
A toxic waste storage facility as defined in claim 4, comprising in addition: a roof structure covering the two rows of cells and the driveway therebetween.
Claim 7
Dependent Claim
20 words
A toxic waste storage facility as defined in claim 1, comprising in addition: a roof structure covering the storage cells.
Claim 8
Dependent Claim
23 words
A toxic waste storage facility as defined in claim 6, wherein the roof structure includes a overhand to protect the compacted earth walls.
Claim 9
Dependent Claim
31 words
A toxic waste storage facility as defined in claim 6, comprising in addition a plurality of vapor detectors supported on the roof structure and located above each of the storage cells.
Claim 10
Dependent Claim
42 words
A toxic waste storage facility as defined in claim 1, wherein comprising in addition a layer of fabric over the impervious plastic liner, the fabric layer acting to capillary any liquid across any minute puncture that may have occurred in the liner.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-23 | 1993-04-24 | 1993-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-23 | 1997-04-24 | 1997-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-23 | 2001-04-24 | 2001-10-24 | $7700.00 | Window Closed / Lapsed |