Patent US4560260A successfully refreshed from Google Patents.
Patent US3092206A successfully refreshed from Google Patents.
US3092206A
Expired / Lapsed
US
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Internal combustion engine silencers
Assignee: Individual
•
Filing: 1959-12-21
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Granted: 1963-06-04
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Moreau Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:47
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N1/00; F01N1/08; F01N1/083; F01N2530/00; F01N2530/26; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SILENCER FOR INTERNAL COMBUSTION ENGINES, COMPRISING A CASING, A PLURALITY OF DOUBLE-WALLED BAFFLES, AND MEANS FOR FIXING THE BAFFLES IN POSITION WITHIN THE CASING, THE CASING BEING THUS DIVIDED INTO A PLURALITY OF INTERCOMMUNICATING COMPARTMENTS BY MEANS OF THE BAFFLES, THE BAFFLES BEING STAGGERED SO THAT EXHAUST GASES FROM THE ENGINE MUST FOLLOW SINUOUS COURSE, AND EACH OF THE BAFFLES BEING CONSTITUTED FROM A PLANE PERFORATE WALL AND A PLANE IMPERFORATE WALL, SUCH WALLS BEING SEPARATED BY A SHORT DISTANCE WHEREBY A CHAMBER IS FORMED BETWEEN THEM INTO WHICH THE EXHAUST GASES MAY EXPAND.
Claim 2
Dependent Claim
95 words
A SILENCER FOR INTERNAL COMBUSTION ENGINES, COMPRISING A CASING, A PLURALITY OF DOUBLE-WALLED BAFFLES, AND MEANS FOR FIXING THE BAFFLES IN POSITION WITHIN THE CASING, THE CASING BEING THUS DIVIDED INTO A PLURALITY OF INTERCOMMUNICATING COMPARTMENTS BY MEANS OF THE BAFFLES, THE BAFFLES BEING STAGGERED SO THAT EXHAUST GASES FROM THE ENGINE MUST FOLLOW SINUOUS COURSE, AND EACH OF THE BAFFLES BEING CONSTITUTED FROM A PLANE PERFORATE WALL AND A PLANE IMPERFORATE WALL, SUCH WALLS BEING SEPARATED BY A SHORT DISTANCE WHEREBY A CHAMBER IS FORMED BETWEEN THEM INTO WHICH THE EXHAUST GASES MAY EXPAND.
References Cited (Backward Citations)
US1030347A
Cited
US1066341A
Cited
US1983304A
Cited
US1998386A
Cited
US2541373A
Cited
FR1126701A
Cited
US2896743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |