Patent US3356151A successfully refreshed from Google Patents.
US3356151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propeller
Assignee: Outboard Marine Corp
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Filing: 1967-03-08
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Granted: 1967-12-05
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Expires: 1987-03-08
Abstract
No abstract record available.
Inventors
- 👤 Charles D Strang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:00
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/24; B63H20/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A MARINE PROPELLER INCLUDING A HUB HAVING AT THE REARWARD END THEREOF AN EXHAUST GAS DISCHARGE OPENING AND A PLURALITY OF BLADES EXTENDING FROM SAID HUB FORWARDLY OF SAID OPENING, THE IMPROVEMENT COMPRISING A MEMBER MOUNTED ON SAID HUB IN OUTWARDLY SPACED RELATION TO SAID HUB AND ADJACENT TO THE REARWARD END THEREOF, SAID MEMBER COOPERATING WITH SAID HUB TO PROVIDE A SCOOP DIRECTING WATER RADIALLY INWARDLY TOWARD THE EXHAUST GASES WHICH FLOW REARWARDLY FROM SAID DISCHARGE OPENING.
Claim 2
Dependent Claim
79 words
IN A MARINE PROPELLER INCLUDING A HUB HAVING AT THE REARWARD END THEREOF AN EXHAUST GAS DISCHARGE OPENING AND A PLURALITY OF BLADES EXTENDING FROM SAID HUB FORWARDLY OF SAID OPENING, THE IMPROVEMENT COMPRISING A MEMBER MOUNTED ON SAID HUB IN OUTWARDLY SPACED RELATION TO SAID HUB AND ADJACENT TO THE REARWARD END THEREOF, SAID MEMBER COOPERATING WITH SAID HUB TO PROVIDE A SCOOP DIRECTING WATER RADIALLY INWARDLY TOWARD THE EXHAUST GASES WHICH FLOW REARWARDLY FROM SAID DISCHARGE OPENING.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |