US3563030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust system
Assignee: Tenneco Inc
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Filing: 1969-02-10
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Granted: 1971-02-16
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Expires: 1989-02-10
Abstract
Abstract A CATALYTIC REACTOR SYSTEM FOR REDUCING THE LEVEL OF UNBURNED EMISSIONS FROM AN AUTOMOBILE INTERNAL COMBUSTION ENGINE INCLUDES, A COMBINATION, A REACTOR DEVICE OF SPECIAL CONSTRUCTION AND AN AUTOMATICALLY CONTROLLED DE- VICE FOR ADMITTING SECONDARY COMBUSTION AIR AND ALSO MEANS FOR LIMITING THE LEVEL OF HYDROCARBONS AND CO UPON DECELERATION OF THE ENGINE.
Inventors
- 👤 Ervin C Lentz
- 👤 Karl K Kerns
- 👤 Robert N Balluff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:23
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/18; F01N3/22; F01N3/227; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N3/2892; F01N3/30; F01N2330/00; F01N2330/08; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |