US3586624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste disposal method and system
Assignee: Werner Co
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Filing: 1970-03-02
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Granted: 1971-06-22
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Expires: 1990-03-02
Abstract
Abstract THROUGH THE LANDFILL THEREBY TO ACCELERATE THE DECOMPOSITION REACTION OF THE SOLID WASTE. A LANDFILL IN WHICH AN EARTH SUB-BASE IS FORMED IN A LAND AREA AND THE SUB-BASE IS COVERED WITH A LIQUID IMPERVIOUS LAYER. ALL OF THE SOLID WASTE FILL IN SUCCESSIVE LAYERS IS PLACED ON THE IMPERVIOUS LAYER. WATER FLOWING THROUGH THE LANDFILL BECOMES CONTAMINATED BY THE SOLID WASTE, IS COLLECTED BY THE IMPERVIOUS LAYERS AND IS THEN DRAINED OFF THE LANDFILL AND TREATED. THE TREATED WATER AND IF NOT AVAILABLE, WATER FROM AN EXTERNAL SOURCE, IS DISTRIBUTED ON THE LANDFILL WHICH TEGETHER WITH NATURAL PRECIPITATION PRODUCES SUBSTANTIALLY CONTINUOUS FLOW OF WATER
Inventors
- 👤 Gordon P Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:07
CPC Classifications
B; B09; B09B; B09B1/00; C; C02; C02F; C02F3/00; C02F3/02; C02F3/04; C02F3/046; C05; C05F; C05F9/00; C05F9/02; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02E; Y02E50/00; Y02E50/30; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S210/00; Y10S210/901
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |