Patent US3077071A successfully refreshed from Google Patents.
US3077071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust system for turbocharged engine
Assignee: Nordberg Manufacturing Co
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Filing: 1960-04-28
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Granted: 1963-02-12
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Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Milton R Leichtfuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:30
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN EXHAUST SYSTEM FOR USE WITH AN ENGINE HAVING A TURBOCHARGER WITH A TURBINE WHEEL, COMPRISING A PLURALITY OF EXHAUST PIPES, ALL OF THE EXHAUST PIPES COMING TOGETHER IN A COMMON CHAMBER, THE CROSS SECTIONAL AREA OF THE PASSAGE OF ALL SAID EXHAUST PIPES BEING APPROXIMATELY THE SAME AT ALL POINTS, AND A VENTURI IN THE COMMON CHAMBER HAVING AN INLET TO WHICH ALL OF THE EXHAUST PIPES INDIVIDUALLY COMMUNICATE, AND AN OUTLET FROM THE COMMON CHAMBER.
Claim 2
Dependent Claim
77 words
AN EXHAUST SYSTEM FOR USE WITH AN ENGINE HAVING A TURBOCHARGER WITH A TURBINE WHEEL, COMPRISING A PLURALITY OF EXHAUST PIPES, ALL OF THE EXHAUST PIPES COMING TOGETHER IN A COMMON CHAMBER, THE CROSS SECTIONAL AREA OF THE PASSAGE OF ALL SAID EXHAUST PIPES BEING APPROXIMATELY THE SAME AT ALL POINTS, AND A VENTURI IN THE COMMON CHAMBER HAVING AN INLET TO WHICH ALL OF THE EXHAUST PIPES INDIVIDUALLY COMMUNICATE, AND AN OUTLET FROM THE COMMON CHAMBER.
References Cited (Backward Citations)
GB352912A
Cited
US2206193A
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Cited
US2230666A
Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |