Patent US3285709A successfully refreshed from Google Patents.
US3285709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the treatment of exhaust gases
Assignee: Individual
•
Filing: 1964-08-14
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Granted: 1966-11-15
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Eannarino
- 👤 Jr Michael S Granieri
- 👤 Anthony J Comis
- 👤 John J Ehrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:44
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
APPARATUS FOR THE TREATMENT OF COMBUSTION EXHAAUST GASES COMPRISING AN INTAKE CONDUIT FOR RECEIVING THE EXHAUST GAS STREAM OF A PREFIOUS CONBUSTION IN AN INTERNAL COMBUSTION ENGINE, FLOW CONSTRICTING MEANS IN SAID INTAKE CONDUIT TO PROVIDE A LOW PRESSURE AREA THEREIN, AN OPENING COMMUNICATING WITH SAID INTAKE CONDUIT AT SAID LOW PRESSURE AREA FOR INTRODUCING PREHEATED OUTSIDE AIR INTO THE EXHAUSST GAS STREAM, MELANS FORMING A FIRST ENCLOSED INSULATED COMBUSTION AREA CONNECTED TO SAID INTAKE CONDUIT AT THE DOWNSREAM SIDE THEREOF, SAID COMBUSTION AREA INCLUDING BAFFLE MEANS, ELECTRIC IGNITION MEANS ADJACENT THE UPSTREAM SIDE OF SAID COMBUSTION AREA FOR IGNITING THE MIXTURE OF AIR AND EXHAUST GASES ENTERING THE AREA, MEANS SURROUNDING SAID COMBUSTION AREA FORMING MEANS AND FORMING THEREWITH A HEAT EXCHANGER PASSAGE FOR PREHEATING THE AIR INTRODUCED AT SAID OPENING, SAID PASSAGE COMMUNICATING WITH SAID OPENING, MEANS FOR SUPPLYING AIR UNDER PRESSURE OF SAID PASSAGE, MEANS FORMING A SECOND COMBUSTION AREA COMMUNICATING WITH THE DOWNSTREAM SIDE OF SAID FIRST COMBUSTION AREA, ELECTRIC IGNITION MEANS IN SAID SECOND COMBUSTION AREA, AND AN OUTLET CONDUIT COMMUNICATING WITH THE DOWNSTREAM SIDE OF SAID SECOND COMBUSTION AREA FOR PERMITTING SSCAPE OF THE COMBUSTION GASES THEREFROM.
Claim 2
Dependent Claim
193 words
APPARATUS FOR THE TREATMENT OF COMBUSTION EXHAAUST GASES COMPRISING AN INTAKE CONDUIT FOR RECEIVING THE EXHAUST GAS STREAM OF A PREFIOUS CONBUSTION IN AN INTERNAL COMBUSTION ENGINE, FLOW CONSTRICTING MEANS IN SAID INTAKE CONDUIT TO PROVIDE A LOW PRESSURE AREA THEREIN, AN OPENING COMMUNICATING WITH SAID INTAKE CONDUIT AT SAID LOW PRESSURE AREA FOR INTRODUCING PREHEATED OUTSIDE AIR INTO THE EXHAUSST GAS STREAM, MELANS FORMING A FIRST ENCLOSED INSULATED COMBUSTION AREA CONNECTED TO SAID INTAKE CONDUIT AT THE DOWNSREAM SIDE THEREOF, SAID COMBUSTION AREA INCLUDING BAFFLE MEANS, ELECTRIC IGNITION MEANS ADJACENT THE UPSTREAM SIDE OF SAID COMBUSTION AREA FOR IGNITING THE MIXTURE OF AIR AND EXHAUST GASES ENTERING THE AREA, MEANS SURROUNDING SAID COMBUSTION AREA FORMING MEANS AND FORMING THEREWITH A HEAT EXCHANGER PASSAGE FOR PREHEATING THE AIR INTRODUCED AT SAID OPENING, SAID PASSAGE COMMUNICATING WITH SAID OPENING, MEANS FOR SUPPLYING AIR UNDER PRESSURE OF SAID PASSAGE, MEANS FORMING A SECOND COMBUSTION AREA COMMUNICATING WITH THE DOWNSTREAM SIDE OF SAID FIRST COMBUSTION AREA, ELECTRIC IGNITION MEANS IN SAID SECOND COMBUSTION AREA, AND AN OUTLET CONDUIT COMMUNICATING WITH THE DOWNSTREAM SIDE OF SAID SECOND COMBUSTION AREA FOR PERMITTING SSCAPE OF THE COMBUSTION GASES THEREFROM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |