Patent US2696486A successfully refreshed from Google Patents.
Patent US3186807A successfully refreshed from Google Patents.
US3186807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converter-muffler
Assignee: Universal Oil Products Co
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Filing: 1962-01-02
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Granted: 1965-06-01
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Ted J Bolek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:46
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; F01N3/2803; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2470/00; F01N2470/18; F01N2510/00; F01N2510/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
A CATALYTIC MUFFLER COMPRISING A SUBSTANTIALLY CYLINDRICAL OUTER HOUSING HAVING A PAIR OF END CLOSURES, A TRANSVERSE PARTITION PLATE ACROSS THE HOUSING AND SPACED FROM ONE OF SAID CLOSURES TO FORM AN END MANIFOLD SECTION WITHIN THE HOUSING, AN EXHAUST GAS OUTLET FROM SAID MANIFOLD SECTION, AN AXIALLY POSITIONED PARTIALLY PERFORATED CONDUIT EXTENDING FROM SAID PLATE THROUGH THE REMAINDER OF SAID HOUSING AND THROUGH THE OTHER OF SAID END CLOSURES, AN ELONGATED PERFORATE PARTITION EXTENDING LONGITUDINALLY FROM SAID PLATE TO A SHORT SPACED DISTANCE FROM SAID OTHER END CLOSURE, SAID PERFORATE PARTITIONS BEING SPACED FROM SAID CONDUIT AND FROM THE INNER WALL OF THE HOUSING TO FORM A PARTICLE RETAINING SECTION ADJACENT THE CONDUIT AND A LONGITUDINAL MANIFOLD SECTION ADJACENT SAID INNER WALL, CATALYST PARTICLES IN SAID RETAINING SECTION, A SECOND TRANSVERSE PARTITION PLATE EXTENDING BETWEEN SAID CONDUIT AND THE END OF SAID ELONGATED PERFORATE PARTITION SPACED FROM THE SAID OTHER END CLOSURE, SAID SECOND PLATE PROVIDING END CLOSURE MEANS FOR THE PARTICLE RETAINING SECTION AND FORMING WITH SAID OTHER END CLOSURE OF THE HOUSING A PLENUM SECTION IN COMMUNICATION WITH SAID LONGITUDINAL MANIFOLD SECTION, ELONGATED IMPERFORATE PARTITIONING MEANS IN THE HOUSING COEXTENSIVE WITH SAID ELONGATED PERFORATE PARTITION AND EXTENDING BETWEEN SAID CONDUIT AND THE HOUSING TO FORM A LONGITUDINAL GAS PASSAGEWAY CONNECTING BETWEEN SAID PLENUM SECTION AND SAID END MANIFOLD SECTION, AND MEANS FOR INTRODUCING A GAS TO SAID CONDUIT TO PASS FROM THE LATTER RADIALLY THROUGH THE PARTICLE RETAINING SECTION TO SAID LONGITUDINAL MANIFOLD SECTION INTO SAID PLENUM SECTION AND THEN THROUGH SAID LONGITUDINAL GAS PASSAGEWAY INTO SAID END MANIFOLD SECTION FOR DISCHARGE THROUGH SAID EXHAUST GAS OUTLET.
Claim 2
Dependent Claim
270 words
A CATALYTIC MUFFLER COMPRISING A SUBSTANTIALLY CYLINDRICAL OUTER HOUSING HAVING A PAIR OF END CLOSURES, A TRANSVERSE PARTITION PLATE ACROSS THE HOUSING AND SPACED FROM ONE OF SAID CLOSURES TO FORM AN END MANIFOLD SECTION WITHIN THE HOUSING, AN EXHAUST GAS OUTLET FROM SAID MANIFOLD SECTION, AN AXIALLY POSITIONED PARTIALLY PERFORATED CONDUIT EXTENDING FROM SAID PLATE THROUGH THE REMAINDER OF SAID HOUSING AND THROUGH THE OTHER OF SAID END CLOSURES, AN ELONGATED PERFORATE PARTITION EXTENDING LONGITUDINALLY FROM SAID PLATE TO A SHORT SPACED DISTANCE FROM SAID OTHER END CLOSURE, SAID PERFORATE PARTITIONS BEING SPACED FROM SAID CONDUIT AND FROM THE INNER WALL OF THE HOUSING TO FORM A PARTICLE RETAINING SECTION ADJACENT THE CONDUIT AND A LONGITUDINAL MANIFOLD SECTION ADJACENT SAID INNER WALL, CATALYST PARTICLES IN SAID RETAINING SECTION, A SECOND TRANSVERSE PARTITION PLATE EXTENDING BETWEEN SAID CONDUIT AND THE END OF SAID ELONGATED PERFORATE PARTITION SPACED FROM THE SAID OTHER END CLOSURE, SAID SECOND PLATE PROVIDING END CLOSURE MEANS FOR THE PARTICLE RETAINING SECTION AND FORMING WITH SAID OTHER END CLOSURE OF THE HOUSING A PLENUM SECTION IN COMMUNICATION WITH SAID LONGITUDINAL MANIFOLD SECTION, ELONGATED IMPERFORATE PARTITIONING MEANS IN THE HOUSING COEXTENSIVE WITH SAID ELONGATED PERFORATE PARTITION AND EXTENDING BETWEEN SAID CONDUIT AND THE HOUSING TO FORM A LONGITUDINAL GAS PASSAGEWAY CONNECTING BETWEEN SAID PLENUM SECTION AND SAID END MANIFOLD SECTION, AND MEANS FOR INTRODUCING A GAS TO SAID CONDUIT TO PASS FROM THE LATTER RADIALLY THROUGH THE PARTICLE RETAINING SECTION TO SAID LONGITUDINAL MANIFOLD SECTION INTO SAID PLENUM SECTION AND THEN THROUGH SAID LONGITUDINAL GAS PASSAGEWAY INTO SAID END MANIFOLD SECTION FOR DISCHARGE THROUGH SAID EXHAUST GAS OUTLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |