US3671167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator for waste oil and the like
Assignee: Iwatani Corp
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Filing: 1971-01-15
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Granted: 1972-06-20
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Expires: 1991-01-15
Abstract
Abstract THIS INVENTION PROVIDES AN INCINERATOR ADAPTED TO DISPOSE OF WASTE PRODUCTS CONTAINING WATER AND EARTH, WHICH ARE OTHERWISE DIFFICULT TO COMPLETE BURN, IN WHICH THE SUBSTANCE IS ATOMIZED BY A JET OF PRIMARY AIR, AND BURNED IN AN ADMIXTURE WITH SECONDARY AND TERTIARY AIR, UNDER AUTOMATIC CONTROL OF THE AIR SUPPLY, AND INCLUDES STIRRING OF THE SUBSTANCE BY ROTATING VANES IN ACCORDANCE WITH ITS BURNING CONDITION.
Inventors
- 👤 Satoru Nakano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:00
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/05; F23G5/00; F23G5/24; F23G5/28; F23G5/50
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |