Patent US3306033A successfully refreshed from Google Patents.
US3306033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reducing air pollutants emitted from internal combustion engines
Assignee: Individual
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Filing: 1964-09-14
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Granted: 1967-02-28
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 George W Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:02
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/32; F01N3/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR USE WITH AN INTERNAL COMBUSTION ENGINE, COMPRISING: FIRST AND SECOND EXHAUST GAS SUPPLY LINES THAT RECEIVE GASES FROM SAID ENGINE; A TURBO-COMPRESSOR UNIT, THE TURBINE OF WHICH IS DRIVEN BY EXHAUST GASES FROM SAID SUPPLY LINES; VALVE MEANS CONTROLLING FLOW THROUGH SAID SECOND SUPPLY LINE; AND CONTROL MEANS RESPONSIVE TO THE COMPRESSOR OUTLET PRESSURE OF THE TURBO-COMPRESSOR UNIT FOR SAID VALVE MEANS MAINTAINING SAID VALVE MEANS CLOSED DURING REDUCED THROTTLE CONDITIONS OF SAID ENGINE, SAID VALVE MEANS BEING OPENED BY SAID CONTROL MEANS DURING ADVANCED THROTTLE CONDITIONS OF SAID ENGINE.
Claim 2
Dependent Claim
92 words
APPARATUS FOR USE WITH AN INTERNAL COMBUSTION ENGINE, COMPRISING: FIRST AND SECOND EXHAUST GAS SUPPLY LINES THAT RECEIVE GASES FROM SAID ENGINE; A TURBO-COMPRESSOR UNIT, THE TURBINE OF WHICH IS DRIVEN BY EXHAUST GASES FROM SAID SUPPLY LINES; VALVE MEANS CONTROLLING FLOW THROUGH SAID SECOND SUPPLY LINE; AND CONTROL MEANS RESPONSIVE TO THE COMPRESSOR OUTLET PRESSURE OF THE TURBO-COMPRESSOR UNIT FOR SAID VALVE MEANS MAINTAINING SAID VALVE MEANS CLOSED DURING REDUCED THROTTLE CONDITIONS OF SAID ENGINE, SAID VALVE MEANS BEING OPENED BY SAID CONTROL MEANS DURING ADVANCED THROTTLE CONDITIONS OF SAID ENGINE.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |