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US3154389A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for catalytic exhaust treatment with particle separation

Assignee: EIDP Inc
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Filing: 1963-04-30
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Granted: 1964-10-27
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Expires: 1983-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Iii William Bell Hayes
  • 👤 Kallal Robert John
  • 👤 Jr Clifford Morrill Sayre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:23
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N3/02; F01N3/037; F01N3/2882; F01N2240/00; F01N2240/06; F01N2250/00; F01N2250/02; F01N2330/00; F01N2330/08; F01N2330/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 167 words
A CATALYTIC MUFFLER COMPRISING, IN COMBINATION, AN ENCLOSURE HAVING AN INLET FOR EXHAUST GASES CONTAINING FINELY DIVIDED SOLID PARTICULATE MATTER AND AN OUTLET FOR TREATED GASES AT THE DIAGONALLY OPPOSITE END OF SAID ENCLOSURE FROM SAID INLET; PERFORATED PLATES VERTICALLY DISPOSED WITHIN SAID ENCLOSURE AND DIVIDING SAID ENCLOSURE INTO A SEPARATION CHAMBER, CATALYST CHAMBER AND EXIT CHAMBER; A SOLID PLATE VERTICALLY DISPOSED WITHIN SAID SEPARATION CHAMBER TO FORM A CONVERGING CHANNEL FROM SAID INLET; A CURVED PLATE VERTICALLY DISPOSED AT THE NOZZLE END OF SAID CONVERGING CHANNEL AND ADAPTED TO DIVERT SAID PARTICULATE MATTER AS IT EMERGES FROM SAID NOZZLE; SOLID PLATES VERTICALLY DISPOSED WITHIN SAID CATALYST CHAMBER BETWEEN AND PERPENDICULAR TO SAID PERFORATED PLATES AND DIVIDING SAID CATALYST CHAMBER INTO A PLURALITY OF CATALYST BEDS, THE CATALYST BED POSITIONED AT THE END OF SAID CURVED PLATE ADAPTED TO RECEIVE THE PARTICULATE MATTER DIVERTED BY SAID CURVED PLATE AND THEREBY REMOVING SAID PARTICULATE MEMBER FROM SAID EXHAUST GASES PRIOR TO THEIR CONTACT WITH THE OTHER CATALYST BEDS.

References Cited (Backward Citations)

US1402814A Cited
US1538652A Cited
US1716481A Cited
US1867325A Cited
GB413967A Cited
US3056662A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-27 1968-04-27 1968-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-27 1972-04-27 1972-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-27 1976-04-27 1976-10-27 $7700.00 Window Closed / Lapsed

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