Patent US3799748A successfully refreshed from Google Patents.
US3799748A
Expired / Lapsed
US
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Catalytic converter
Assignee: Meritor Inc
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Filing: 1972-12-01
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Granted: 1974-03-26
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Expires: 1992-12-01
Abstract
Abstract A CATALYTIC CONVERTER FOR REMOVING NOXIOUS POLLUTANTS FROM AN EXHAUST GAS STREAM HAVING A PAIR OF CONVERSION CHAMBERS MOUNTED THEREIN BETWEEN ITS INLET AND OUTLET. THE CONVERSION CHAMBERS ARE SLIDABLY INTERCONNECTED AT THEIR ADJACENT ENDS AND ARE RIGIDLY CONNECTED TO THE CONVERTER AT THEIR OPPOSED ENDS WHEREBY THEY ARE FREE TO EXPAND AND CONTRACT IN RESPONSE TO TEMPERATURE CHANGES.
Inventors
- 👤 G Scheitlin
- 👤 J Collins
- 👤 M Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2882; F01N3/2885; F01N3/2839; F01N3/2846; F01N1/00; F01N1/02; F01N13/00; F01N13/14; F01N2230/00; F01N2230/04; F01N2260/00; F01N2260/10; F01N2490/00; F01N2490/15; F01N2490/155; F01N2490/20
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |