US3132474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust apparatus for internal combustion engines
Assignee: GATES AND FOX CO Inc
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Filing: 1962-04-26
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Granted: 1964-05-12
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Kirk H Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:51
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE, AN EXHAUST LINE FOR EXHAUST GASES HAVING AN INLET END CONNECTED TO THE ENGINE AND AN OUTLET END COMMUNICATING WITH THE ATMOSPHERE, SAID EXHAUST LINE BETWEEN ITS SAID INLET AND OUTLET ENDS INCLUDING AN UPRIGHT LEG DISPOSED IN THE EXHAUST LINE SO THAT GASES FLOWING THROUGH THE LINE ENTER THE TOP OF SAID LEG, AND THEN PASS DOWNWARDLY THROUGH THE LEG, WHENCE THEY FLOW TO SAID OUTLET END OF THE EXHAUST LINE, SAID UPRIGHT LEG INCLUDING A SECTION OF CONDUIT DEFINING AN ELONGATED CHAMBER OF SUBSTANTIALLY OVATE OUTLINE HAVING A MAJOR AXIS EXTENDING ALONG THE LENGTH OF SAID LEG AND A MINOR AXIS EXTENDING TRANSVERSELY OF SAID LEG,
Claim 2
Dependent Claim
115 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE, AN EXHAUST LINE FOR EXHAUST GASES HAVING AN INLET END CONNECTED TO THE ENGINE AND AN OUTLET END COMMUNICATING WITH THE ATMOSPHERE, SAID EXHAUST LINE BETWEEN ITS SAID INLET AND OUTLET ENDS INCLUDING AN UPRIGHT LEG DISPOSED IN THE EXHAUST LINE SO THAT GASES FLOWING THROUGH THE LINE ENTER THE TOP OF SAID LEG, AND THEN PASS DOWNWARDLY THROUGH THE LEG, WHENCE THEY FLOW TO SAID OUTLET END OF THE EXHAUST LINE, SAID UPRIGHT LEG INCLUDING A SECTION OF CONDUIT DEFINING AN ELONGATED CHAMBER OF SUBSTANTIALLY OVATE OUTLINE HAVING A MAJOR AXIS EXTENDING ALONG THE LENGTH OF SAID LEG AND A MINOR AXIS EXTENDING TRANSVERSELY OF SAID LEG,
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |