US3445196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust muffler with removable catalytic unit
Assignee: Nelson Muffler Corp
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Filing: 1966-06-06
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Granted: 1969-05-20
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Dean G Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N1/00; F01N1/08; F01N3/2882; F01N3/2885; F01N1/02; F01N1/084; F01N2230/00; F01N2230/04; F01N2330/00; F01N2330/06; F01N2450/00; F01N2450/30; F01N2490/00; F01N2490/02; F01N2490/06; F01N2490/15; F01N2490/155; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN EXHAUST MUFFLER COMPRISING: A SUBSTANTIALLY HOLLOW MUFFLER SHELL HAVING AN EXHAUST GAS INLET AND AND EXHAUST GAS OUTLET; A CATALYST CONTAINER MONTED IN SAID SHELL AND HAVING AN ACCESS PORT OPENING OUTWARDLY OF SAID SHELL; BAFFLE MEANS IN SAID SHELL POSITIONED TO COOPERATE IN DIRECTING EXHAUST GASES FROM SAID INLET, THROUGH SAID CONTAINER, AND TO SAID OUTLET; A CATALYTIC UNIT REMOVABLE DISPOSED INSIDE SAID CONTAINER, INCLUDING A CATALYTICALLY ACTIVE BODY AND MEAN FOR UNITIZING SAID BODY; AND COVER MEANS FOR SAID ACCESS PORT.
Claim 2
Dependent Claim
84 words
AN EXHAUST MUFFLER COMPRISING: A SUBSTANTIALLY HOLLOW MUFFLER SHELL HAVING AN EXHAUST GAS INLET AND AND EXHAUST GAS OUTLET; A CATALYST CONTAINER MONTED IN SAID SHELL AND HAVING AN ACCESS PORT OPENING OUTWARDLY OF SAID SHELL; BAFFLE MEANS IN SAID SHELL POSITIONED TO COOPERATE IN DIRECTING EXHAUST GASES FROM SAID INLET, THROUGH SAID CONTAINER, AND TO SAID OUTLET; A CATALYTIC UNIT REMOVABLE DISPOSED INSIDE SAID CONTAINER, INCLUDING A CATALYTICALLY ACTIVE BODY AND MEAN FOR UNITIZING SAID BODY; AND COVER MEANS FOR SAID ACCESS PORT.
References Cited (Backward Citations)
US1929659A
Cited
US2004865A
Cited
US3025132A
Cited
US3109510A
Cited
US3018841A
Cited
US3094394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |