Patent US3600142A successfully refreshed from Google Patents.
US3600142A
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US
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Catalytic converter
Assignee: Universal Oil Products Co
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Filing: 1969-09-22
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Granted: 1971-08-17
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Expires: 1989-09-22
Abstract
Abstract A CATALYTIC CONVERTER FOR TREATING AN ENGINE EXHAUST STREAM WHICH EMBODIES A SEGMENT-CYLINDER-FORM CATALYST RETAINING SECTION SUPPORTED BY THE OUTER HOUSING IN A SLIDEABLE MANNER. IN A PREFERRED EMBODIMENT THERE IS PROVIDED MAXIMUM CATALYST VOLUME WITH MINIMUM INLET AREA. ALSO, IN A PREFERRED ARRANGEMENT, THE CONVERTER HAS A CATALYST RESERVOIR THEREIN WHICH SERVES AS A STORAGE FOR FRESH CATALYST PARTICLES THAT FLOW INTO THE CATALYST RETAINING SECTION, REPLACING CATALYST PARTICLES LOST BY ATTRITION. D R A W I N G
Inventors
- 👤 Le Roy E Fessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:12
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N13/00; F01N13/18; F01N2470/00; F01N2470/06; F01N2470/08
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |