US3220179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic afterburner for internal combustion engines and the like
Assignee: JULIA WOODS LAVENDER
•
Filing: 1962-10-31
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Granted: 1965-11-30
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 John J Bloomfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:24
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/14; F01N13/009; F01N13/0097; F01N3/00; F01N3/02; F01N3/0205; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N3/206; F01N3/22; F01N3/24; F01N3/26; F01N3/28; F01N3/2882; F01N3/2889; F01N3/38; F01N2250/00; F01N2250/04; F01N2470/00; F01N2470/30; F01N2610/00; F01N2610/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A CATALYTIC AFTERBURNER FOR PURIFYING EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE OR THE LIKE, COMPRISING: A COMBUSTION CHAMBER RECEIVING SAID EXHAUST GASES FOR FURTHER COMBUSTION; MEANS COMPRISING CATALYTIC MEANS INTERCEPTING THE DISCHARGE FLOW OF SAID GASES FROM SAID COMBUSTION CHAMBER PRIOR TO EXHAUST TO ATMOSPHERE; AND CONTROL MEANS RESPONSIVE TO THE OPERATING CONDITIONS OF SAID ENGINE FOR SELECTIVELY INTRODUCING ATMOSPHERIC AIR INTO SAID COMBUSTION CHAMBER, SAID CONTROL MEANS COMPRISING MEANS FOR INTRODUCING ATMOSPHERIC AIR INGO SAID COMBUSTION CHAMBER DURING OPERATING CONDIDITIONS OTHER THAN CRUISE AND FOR CLOSING OFF THE FLOW OF ATMOSPHERIC AIR DURING CRUISE OPERATION OF THE ENGINE.
References Cited (Backward Citations)
US1789812A
Cited
US2203554A
Cited
US2658339A
Cited
US2807930A
Cited
US2880079A
Cited
US2937490A
Cited
US3032983A
Cited
US3053773A
Cited
US3091920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |