US3285221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard propulsion unit power tilt mechanism
Assignee: Kiekhaefer Corp
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Filing: 1964-09-14
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Granted: 1966-11-15
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Irving W North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:01
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION WITH AN OUTBOARD PROPULSION UNIT PIVOTALLY SUPPORTED UPON A GENERALLY HORIZONTAL AXIS FROM A SUPPORT MEMBER TO PROVIDE FOR TILT MOVEMENT OF THE UNIT IN A GENERALLY VERTICAL PLANE AND SAID UNIT BEING RELEASABLY SECURED AGAINST TILTING TO SAID MEMBER IN THE NORMAL OPERATING POSITION OF THE UNIT, POWER MEANS TO TILT THE UNIT UPWARDLY ABOUT SAID AXIS AND COMPRISING EXTENDABLE CYLINDER-PISTON MEANS DISPOSED BETWEEN THE DRIVE UNIT AND THE SUPPORT MEMBER, A SOURCE OF FLUID AT A GIVEN PRESSURE, AND MEANS CONNECTING THE PRESSURE SOURCE AND THE CYLINDER-PISTON MEANS AND INCLUDING PRESSURE BOOSTING MEANS TO INITIALLY PROVIDE FLUID TO THE CYLINDER-PISTON MEANS AT A PRESSURE HIGHER THAN SAID GIVEN PRESSURE TO INITIALLY EXTEND THE CYLINDER-PISTON MEANS WITH A FORCE ADEQUATE TO TILT THE DRIVE UNIT AND OVERCOME THE
Claim 2
Dependent Claim
131 words
IN COMBINATION WITH AN OUTBOARD PROPULSION UNIT PIVOTALLY SUPPORTED UPON A GENERALLY HORIZONTAL AXIS FROM A SUPPORT MEMBER TO PROVIDE FOR TILT MOVEMENT OF THE UNIT IN A GENERALLY VERTICAL PLANE AND SAID UNIT BEING RELEASABLY SECURED AGAINST TILTING TO SAID MEMBER IN THE NORMAL OPERATING POSITION OF THE UNIT, POWER MEANS TO TILT THE UNIT UPWARDLY ABOUT SAID AXIS AND COMPRISING EXTENDABLE CYLINDER-PISTON MEANS DISPOSED BETWEEN THE DRIVE UNIT AND THE SUPPORT MEMBER, A SOURCE OF FLUID AT A GIVEN PRESSURE, AND MEANS CONNECTING THE PRESSURE SOURCE AND THE CYLINDER-PISTON MEANS AND INCLUDING PRESSURE BOOSTING MEANS TO INITIALLY PROVIDE FLUID TO THE CYLINDER-PISTON MEANS AT A PRESSURE HIGHER THAN SAID GIVEN PRESSURE TO INITIALLY EXTEND THE CYLINDER-PISTON MEANS WITH A FORCE ADEQUATE TO TILT THE DRIVE UNIT AND OVERCOME THE
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |