US3666422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pollution control system
Assignee: Individual
•
Filing: 1971-02-12
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Granted: 1972-05-30
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Expires: 1991-02-12
Abstract
Abstract A POLLUTION CONTROL SYSTEM FOR CONNECTION TO THE EXHAUST OF AN AUTOMOBILE OR HEATING PLANT CONSUMING FOSSIL FUELS CONSISTING OF AN AFTERBURNER COMPARTMENT INCLUDING A GLOW HEAD DISPOSED WITHIN THE AFTERBURNER COMPARTMENT FOR IGNITING UNBURNED EXHAUST GASES. THE AFTERBURNER COMPARTMENT ALSO INCLUDES AN AIR INLET TO PERMIT OXYGEN TO MIX WITH THE UNBURNED EXHAUST GASES TO AID IN THEIR IGNITION. AT THE OUTPUT OF THE AFTERBURNER COMPARTMENT IS INCLUDED A COOLING AND MIXING CHAMBER SO THAT THE EXHAUST GASES CAN BE FED INTO A PNEUMATIC PUMP WHERE THEY WILL BE APPLIED TO A FILTERING SYSTEM PREFERABLY CONSISTING OF CHARCOAL BEFORE THE GAS ENTERS INTO THE ATMOSPHERE.
Inventors
- 👤 Joseph Rossel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:23
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/0217; F01N13/00; F01N13/009; F01N13/0097; F01N3/022; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N2250/00; F01N2250/06; F01N2260/00; F01N2260/02; F01N2260/022; F01N2290/00; F01N2290/02; F01N2290/06; F01N2330/00; F01N2330/08; F01N2370/00; F01N2370/22; F01N2370/40; F01N2470/00; F01N2470/18; F01N3/38; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |