Patent US122818A successfully refreshed from Google Patents.
Patent US3587488A successfully refreshed from Google Patents.
US3587488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the combined disposal of rubbish and sewage
Assignee: Vereinigte Kesselwerke AG
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Filing: 1969-09-25
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Granted: 1971-06-28
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Expires: 1989-09-25
Abstract
Abstract PROCESS AND APPARATUS FOR THE COMBINED DISPOSAL OF RUBBISH AND SEWAGE, THE APPARATUS INCLUDING A HEAT-OPERATED EVAPORATOR IN WHICH LIQUID SEWAGE IS CONCENTRATED AND A COMBUSTION FURNACE IN WHICH THE RUBBISH IS BURNED. THE CONCENTRATED SEWAGE IS ADJUSTABLY INJECTED INTO THE HOT FLUE GASES RESULTING FROM BURNING THE RUBBISH SO AS TO COOL THESE GASES AND MAINTAIN THE SAME AT A PREDETERMINED TEMPERATURE.
Inventors
- 👤 Reinhold Mutke
- 👤 Peter Steller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:09
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/008; Y; Y10; Y10S; Y10S159/00; Y10S159/32; Y10S159/905
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |