US3149925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic converter
Assignee: Meritor Inc
•
Filing: 1961-09-14
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Granted: 1964-09-22
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Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 George E Scheitlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:00
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2882; F01N3/2885; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; F01N3/2839; F01N3/2846; F01N1/00; F01N1/02; F01N13/00; F01N13/14; F01N2230/00; F01N2230/04; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2470/00; F01N2470/18; F01N2490/00; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A CATALYTIC CONVERTER FOR REMOVING NOXIOUS POLLUTANTS FROM AN EXHAUST GAS STREAM, A ELONGATED SHELL HAVING SIDE WALLS IN THE FORM OF A CLOSED CURVE, MEANS CLOSING THE ENDS OF SAID SHELL, GAS INLET AND OUTLET CONDUITS IN OPEN COMMUNICATION WITHTHEINTERIOR OF SAID SHELL ADJACENT ITS OPPOSED ENDS, AND AN ELONGAED CONVERSION CHAMBER ADAPTED TO HOLD A CATALYTIC MATERIAL FOR REMOVING THE NOXIOUS POLLUTANTS FROM EXHAUST GASES MOUNTED IN SAID SHELL AND EXTENDING OBLIQUELY THEEACROSS, SAID CHAMBER HAVING OPPOSED FIRST AND SECOND WALL SURFACES, ONE END OF SAID FIRST WALL SURFACE BEING CURVED TO ABUT AN ARCUATE SEGMENT OF THE INNER SHELL FACE ADJACENT SAID OUTLET CONDUIT AND THE OPPOSITE END OF SAID FIRST WALL SURFACE BEING SPACED FROM THE INNER SHELL FACE ADJACENT SAID INLET CONDUIT, ONE END OF SAID SECOND WALL SURFACE BEING CURVED TO ABUT AN ARCUATE SEGMENT OF THE INNER SHELL FACE ADJACENT THE INLET CONDUIT AND THE OPPOSITE END OF SAID SECOND WALL SURFACE BEING SPACED FROM THE INNER SHELL FACE ADJACENT SAID OUTLET CONDUIT, SAID CHAMBER BEING PERFORATED WITHIN THE EXTENT OF SAID FIRST AND SECOND WALL SURFACES.
Claim 2
Dependent Claim
185 words
IN A CATALYTIC CONVERTER FOR REMOVING NOXIOUS POLLUTANTS FROM AN EXHAUST GAS STREAM, A ELONGATED SHELL HAVING SIDE WALLS IN THE FORM OF A CLOSED CURVE, MEANS CLOSING THE ENDS OF SAID SHELL, GAS INLET AND OUTLET CONDUITS IN OPEN COMMUNICATION WITHTHEINTERIOR OF SAID SHELL ADJACENT ITS OPPOSED ENDS, AND AN ELONGAED CONVERSION CHAMBER ADAPTED TO HOLD A CATALYTIC MATERIAL FOR REMOVING THE NOXIOUS POLLUTANTS FROM EXHAUST GASES MOUNTED IN SAID SHELL AND EXTENDING OBLIQUELY THEEACROSS, SAID CHAMBER HAVING OPPOSED FIRST AND SECOND WALL SURFACES, ONE END OF SAID FIRST WALL SURFACE BEING CURVED TO ABUT AN ARCUATE SEGMENT OF THE INNER SHELL FACE ADJACENT SAID OUTLET CONDUIT AND THE OPPOSITE END OF SAID FIRST WALL SURFACE BEING SPACED FROM THE INNER SHELL FACE ADJACENT SAID INLET CONDUIT, ONE END OF SAID SECOND WALL SURFACE BEING CURVED TO ABUT AN ARCUATE SEGMENT OF THE INNER SHELL FACE ADJACENT THE INLET CONDUIT AND THE OPPOSITE END OF SAID SECOND WALL SURFACE BEING SPACED FROM THE INNER SHELL FACE ADJACENT SAID OUTLET CONDUIT, SAID CHAMBER BEING PERFORATED WITHIN THE EXTENT OF SAID FIRST AND SECOND WALL SURFACES.
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |