US3832144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke eliminator
Assignee: Temperature Control Inc
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Filing: 1972-09-21
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Granted: 1974-08-27
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Expires: 1992-09-21
Abstract
Abstract A SMOKE ELIMINATOR IS CONNECTED TO THE CHIMNEY USUALLY LEADING FROM AN INCINERATOR OR THE LIKE. THE ELIMINATOR INCLUDES A CHAMBER CAPABLE OF WITHSTANDING HIGH TEMPERATURES. A POWER BURNER IS PROVIDED TO PRE-HEAT THE CHAMBER. THE TEMPERATURE IS SUFFICIENT TO BURN OUT THE MAJOR PORTION OF THE IMPURITIES CAUSED BY THE FIRING OF THE INCINERATION AS THE GASES TRAVEL A TORTUOUS PATH.
Inventors
- 👤 R Wieken
- 👤 H Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/061; F23G7/065; F23G5/00; F23G5/08; F23G5/14; F23G5/18; F23G5/44; F23G5/442
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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |