US3085544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion units
Assignee: Individual
•
Filing: 1961-12-18
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Granted: 1963-04-16
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Hamlyn Peter Morton
- 👤 Snelling John Edwin
- 👤 Vale Stockwood
- 👤 Horstmann Bevan Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:49
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/32; B63H20/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A MARINE PROPULSION UNIT ADAPTED TO BE ATTACHED TO THE TRANSOM OF A BOAT, INCLUDING A MAIN CASING CONTAINING A POWERED MAIN SHAFT FOR DRIVING A PROPELLER AT THE FOOT OF THE CASING ON A UNDERWATER GEAR HOUSING, THE MAIN CASING BEING SUPPORTED BY A TRANSOM BRACKET IN SUCH A MANNER THAT THE UNIT IS CAPABLE OF TILTING UPWARDLY SHOULD UNDERWATER OBSTACLES BE ENCOUNTERED, A LOCKING DEVICE TO PREVENT THE UNIT FROM TILTING, SAID LOCKING DEVICE COMPRISING A FEELER PIVOTED ON A KEEL FAST WITH THE UNDERWATER HOUSING, A CABLE CONNECTED BY ONE END TO SAID FEELER AND EXTENDING UPWARDLY OUTSIDE THE FORWARD FACE OF THE MAIN CASING WITH ITS UPPER END ATTACHED TO A SPRING-LOADED LATCHENDED LOCKING BOLT AXIALLY SLIDABLE IN A BOLT HOUSING ON THE MAIN CASING, AND A TRANSVERSE PIN CARRIED BY A BRACKET ATTACHABLE TO THE BOAT''S TRANSOM AND ENGAGEABLE BY SAID BOLT, WHEREBY ROCKING OF THE FEELER ON ENCOUNTERING AN UNDERWATER OBSTRUCTION UNLATCHES THE LOCKING BOLT FROM THE PIN ALLOWING THE UNIT TO RISE ABOUT ITS PIVOTAL AXIS.
Claim 2
Dependent Claim
173 words
A MARINE PROPULSION UNIT ADAPTED TO BE ATTACHED TO THE TRANSOM OF A BOAT, INCLUDING A MAIN CASING CONTAINING A POWERED MAIN SHAFT FOR DRIVING A PROPELLER AT THE FOOT OF THE CASING ON A UNDERWATER GEAR HOUSING, THE MAIN CASING BEING SUPPORTED BY A TRANSOM BRACKET IN SUCH A MANNER THAT THE UNIT IS CAPABLE OF TILTING UPWARDLY SHOULD UNDERWATER OBSTACLES BE ENCOUNTERED, A LOCKING DEVICE TO PREVENT THE UNIT FROM TILTING, SAID LOCKING DEVICE COMPRISING A FEELER PIVOTED ON A KEEL FAST WITH THE UNDERWATER HOUSING, A CABLE CONNECTED BY ONE END TO SAID FEELER AND EXTENDING UPWARDLY OUTSIDE THE FORWARD FACE OF THE MAIN CASING WITH ITS UPPER END ATTACHED TO A SPRING-LOADED LATCHENDED LOCKING BOLT AXIALLY SLIDABLE IN A BOLT HOUSING ON THE MAIN CASING, AND A TRANSVERSE PIN CARRIED BY A BRACKET ATTACHABLE TO THE BOAT''S TRANSOM AND ENGAGEABLE BY SAID BOLT, WHEREBY ROCKING OF THE FEELER ON ENCOUNTERING AN UNDERWATER OBSTRUCTION UNLATCHES THE LOCKING BOLT FROM THE PIN ALLOWING THE UNIT TO RISE ABOUT ITS PIVOTAL AXIS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |