US3702756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smokeless antitoxic burner apparatus
Assignee: VERNON D BOWMAN
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Filing: 1971-01-06
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Granted: 1972-11-14
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Expires: 1991-01-06
Abstract
Abstract AN APPARATUS FOR BURING AND SCRUBBING EXHAUST GASES, SMOKE AND SIMILAR WASTE PRODUCTS AND SOLID PARTICLES CARRIED THEREBY AND PREVENTING THEIR DISCHARGE INTO THE ATMOSPHERE. THE APPARATUS CONSISTS OF ONE OR MORE BURNER CHAMBERS THROUGH WHICH THE GASES TO BE PURIFIED ARE FORCIBLY CONDUCTED AND THE COMBUSTIBLE PRODUCTS CONSUMED, A SECOND CHAMBER HAVING TORTUOUS PASSAGE WHEREIN THE GASES ARE FORCED AND THEREIN SUBJECTED TO STEAM AND WATER SPRAYS TO REMOVE SOLIDS AND SOLUBLE CONSTITUENTS AND AN EXHAUST TO THE ATMOSPHERE FOR THE PURIFIED GASES.
Inventors
- 👤 Vernon D Bowman
- 👤 Drive E Four
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/061; F23G7/065; F23J; F23J15/00; F23J15/02; F23J15/04; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10S55/00; Y10S55/20
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |