US3533365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and combined furnace for the simultaneous incineration of refuse or garbage and sewage sludge
Assignee: Von Roll AG
•
Filing: 1968-09-16
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Granted: 1970-10-13
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Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 Richard Tanner
- 👤 Theodor Jacobovici
- 👤 Fritz Wuthrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:35
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/008; C; C02; C02F; C02F11/00; C02F11/06; Y; Y02; 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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |