US3556734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas conditioning apparatus
Assignee: LEANDER J PETERSON
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Filing: 1968-02-05
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Granted: 1971-01-19
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Expires: 1988-02-05
Abstract
Abstract AN EXHAUST GAS PURIFYING APPARATUS HAVING A CLOSED HOUSING DEFINING A CHAMBER CONTAINING A FILTER AND PARTIALLY FILLED WITH A PURIFYING LIQUID. GAS INLET AND OUTLET CONDUITS CONNECTED TO THE HOUSING AT OPPOSITE ENDS THEREOF PROVIDE A GENERALLY HORIZONTAL PATH OF GAS FLOW THROUGH THE CHAMBER AND ABOVE THE SURFACE OF THE PURIFYING LIQUID. A MEANS IS PROVIDED FOR CONTINUOUSLY CONDUCTING PURIFYING LIQUID UPWARDLY IN THE CHAMBER AND ISCHARGING IT ABOVE THE LIQUID SURFACE AND TOWARD THE FILTER TO WET THE FILTER MEDIUM SO THAT GASES PASSING THROUGH THE CHAMBER ARE EXPOSED TO BOTH THE FILTER MEDIUM AND THE PURIFYING LIQUID.
Inventors
- 👤 Leander J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:29
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S55/00; Y10S55/30
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |