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US3594131A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic converter

Assignee: Universal Oil Products Co
•
Filing: 1969-11-10
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Granted: 1971-07-20
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Expires: 1989-11-10
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Abstract

Abstract A CONVERTER FOR CATALYTIC CONVERSION OF FLUID STREAMS WHICH EMBODIES A CATALYST RETAINING SECTION HAVING A RESERVOIR SECTION THEREIN. THE RESERVOIR SECTION IS ESTABLISHED BY A PARTITION THAT PREVENTS FLOW OF FLUID THROUGH ONE PART OF THE CATALYST SECTION. A FLANGED END OF A MOVABLE PERFORATE PARTITION SPANS THE CATALYST BED AND KEEPS ALL THE CATALYST MATERIAL IN A COMPACTED STATE. IN A PREFERRED EMBODIMENT, A WEIGHTED BULLET-SHAPED DISTRIBUTION MEANS PROVIDES THE PRESSURING MEANS FOR KEEPING THE FLANGED END IN PRESSURE CONTACT WITH THE CATALYST MATERIAL. AS CATALYST MATERIAL SHRINKS OR IS LOST BY MECHANICAL ATTRITION OR CHEMICAL SPALLATION, THE FLANGED END OF THE MOVABLE PERFORATE PARTITION FORCES FRESH MATERIAL FROM THE RESERVOIR SECTION TO AN AREA OF THE BED WHERE FLUID FLOW EXISTS. IN A MODIFIED EMBODIMENT, THE MOVABLE PERFORATE PARTITION EX- POSES ADDITIONAL CATALYST MATERIAL TO FLUID FLOW AT THE OTHER END OF THE CATALYST SECTION AS CATALYST MATERIAL IS LOST.

Inventors

  • 👤 Ted V De Palma
  • 👤 Martin W Perga

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:52
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; F01N3/2892; F01N2260/00; F01N2260/10; F01N2290/00; F01N2330/00; F01N2330/08; F01N2350/00; F01N2350/08; F01N2510/00; F01N2510/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-07-19 1975-01-18 1975-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-19 1979-01-18 1979-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-19 1983-01-18 1983-07-20 $7700.00 Window Closed / Lapsed

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