Patent US3195530A successfully refreshed from Google Patents.
US3195530A
Expired / Lapsed
US
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Outboard motor having sound absorbing construction within engine housing
Assignee: Outboard Marine Corp
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Filing: 1962-05-31
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Granted: 1965-07-20
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Richard C Heidner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/16; F02M35/165; F02M35/167; F02B; F02B61/00; F02B61/04; F02B61/045; F02M35/10; F02M35/10242; F02M35/10262; F02M35/12; F02M35/1205; F02M35/1211; F02M35/1216; F02M35/1272; F02M35/1277; F02B77/00; F02B77/11; F02B77/13; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE COMBINATION OF AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION AIR INTAKE AND AN ENGINE HOUSING SUBSTANTIALLY TOTALLY ENCLOSING SAID ENGINE FROM THE SURROUNDING ATMOSPHERE EXCEPT FOR AN AIR ENTRANCE OPENING, SAID HOUSING INCLUDING MEANS DEFINING A COMBUSTION AIR PASSAGEWAY EXTENDING FROM SAID ENTRANCE OPENING TO SAID AIR INTAKE AND INCLUDING A DUCT PORTION LEADING FROM SAID AIR ENTRANCE OPENING, SAID AIR PASSAGEWAY BEING LINED AT LEAST PARTIALLY WITH SOUND ABSORBING MATERIAL, AND A PERFORATED MEMBER EXTENDING TRANSVERSELY ACROSS SAID DUCT PORTION ADJACENT TO SAID AIR ENTRANCE OPENING TO AFFORD AIR FLOW THERETHROUGH AND BEING LINED ON ITS INNER SIDE WITH SOUND ABSORBING MATERIAL.
Claim 2
Dependent Claim
104 words
THE COMBINATION OF AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION AIR INTAKE AND AN ENGINE HOUSING SUBSTANTIALLY TOTALLY ENCLOSING SAID ENGINE FROM THE SURROUNDING ATMOSPHERE EXCEPT FOR AN AIR ENTRANCE OPENING, SAID HOUSING INCLUDING MEANS DEFINING A COMBUSTION AIR PASSAGEWAY EXTENDING FROM SAID ENTRANCE OPENING TO SAID AIR INTAKE AND INCLUDING A DUCT PORTION LEADING FROM SAID AIR ENTRANCE OPENING, SAID AIR PASSAGEWAY BEING LINED AT LEAST PARTIALLY WITH SOUND ABSORBING MATERIAL, AND A PERFORATED MEMBER EXTENDING TRANSVERSELY ACROSS SAID DUCT PORTION ADJACENT TO SAID AIR ENTRANCE OPENING TO AFFORD AIR FLOW THERETHROUGH AND BEING LINED ON ITS INNER SIDE WITH SOUND ABSORBING MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |