Patent US3186374A successfully refreshed from Google Patents.
US3186374A
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Pressure relief means for marine propulsion device
Assignee: Outboard Marine Corp
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Filing: 1962-05-14
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Granted: 1965-06-01
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Richard C Heidner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:34
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/001; B63H20/002; F; F01; F01M; F01M11/00; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0406; F16K17/0446; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A MARINE PROPULSION DEVICE INCLUDING A STRUT WHICH IS GENERALLY VERTICALLY DISPOSED DURING NORMAL OPERATION A SEALED GEAR HOUSING AT THE LOWER END OF SAID STRUT, SAID GEAR HOUSING BEING ADAPTED TO CONTAIN A QUANTITY OF LUBRID CANT AND INCLUDING A ROTATABLY SUPPORT SHAFT CARRYING A PROPELLER, POWER TRANSMISSION MEANS CONNECTED TO SAID PROPELLER SHAFT AND EXTENDING IN SAID STRUT, A CONDUIT COMMUNICATING WITH SAID SEALED HOUSING AND EXTENDING FROM SAID HOUSING IN SAID STRUT, AND VALVE MEANS CONNECTED TO SAID CONDUIT AND OPERATIVE TO VENT SAID HOUSING IN RESPONSE TO THE DEVELOPEMENT OF PRESSURE IN SAID HOUSING
References Cited (Backward Citations)
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Cited
US2203554A
Cited
US2489478A
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |