Patent US5132007A successfully refreshed from Google Patents.
Patent US3733271A successfully refreshed from Google Patents.
US3733271A
Expired / Lapsed
US
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Waste disposal apparatus and method
Assignee: Individual
•
Filing: 1971-01-12
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Granted: 1973-05-15
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Expires: 1991-01-12
Abstract
Abstract SOLID WASTE IN GARBAGE, TRASH AND SEWAGE I SUBJECTED TO PROGRESSIVE INCINERATION AND REDUCED TO INERT RESIDUE CAPABLE OF RECLAMATION. COMBUSTION GASES ARE UTILIZED FOR GENERATION OF STEAM AND ELECTRICITY, AND ARE FREED OF SULPHUR AND OTHER ATMOSPHERIC POLLUTANTS. LIQUID SEWAGE EFFLUENT IS MADE POTABLE BY CHEICAL TREATMENT.
Inventors
- 👤 H Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:09
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/006; C; C02; C02F; C02F11/00; C02F11/10; C02F11/12; C02F11/13; C02F9/00; F23G7/00; F23G7/001; Y; Y02; Y02E; Y02E20/00; Y02E20/12; Y02W; Y02W10/00; Y02W10/40
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |