Patent US3230918A successfully refreshed from Google Patents.
US3230918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski-catamaran boat
Assignee: Individual
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Filing: 1964-10-09
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Granted: 1966-01-25
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Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:16
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/22; B63B1/02; B63B1/10; B63B1/14; B63B2001/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A BOAT CONSTRUCTION COMPRISING, IN COMBINATION, A BOAT HULL HAVING FRONT AND REAR ENDS AND ELONGATE SIDES THEREON, A PAIR OF ELONGATE SKI MOUNTING MEMBERS POSITIONED ADJACENT THE SIDES OF THE HULL, OUTBOARD OF THE SIDES THEREOF AND EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF THE HULL, A PAIR OF FORWARDLY INCLINED PLANING SKI MEMBERS MOUNTED ON THE UNDERSIDE OF EACH SKI MOUNTING MEMBER AND LONGITUDINALLY SPACED FROM ONE ANOTHER, PAIRED MEANS FOR PIVOTALLY AND RESILIENTLY MOUNTING EACH SAID ELONGATE MOUNTING MEMBER ON THE HULL FROM TWO LONGITUDINALLY DISPLACED POINTS THEREON, SAID LATTER MEANS COMPRISING A BLOCK OF RESILIENT MATERIAL HAVING FRONT AND REAR ENDS, A FIRST SHAFT PIVOTING FIXED TO THE SKI MOUNTING MEMBER AND EXTENDING LONGITUDINALLY OF THE LONGITUDINAL AXIS THEREOF AND FIXED AT ONE END TO ONE END OF SAID RESILIENT BLOCK, A BEAM MEMBER COMMUNICATING FROM THE HULL TO ADJACENT THE OTHER END OF THE RESILIENT BLOCK, AND A SECOND SHAFT FIXED AT ONE END THEREOF TO THE OTHER END OF THE RESILIENT BLOCK AND PIVOTALLY CONNECTED TO THE BEAM MEMBER AT THE OTHER END THEREOF.
Claim 2
Dependent Claim
180 words
A BOAT CONSTRUCTION COMPRISING, IN COMBINATION, A BOAT HULL HAVING FRONT AND REAR ENDS AND ELONGATE SIDES THEREON, A PAIR OF ELONGATE SKI MOUNTING MEMBERS POSITIONED ADJACENT THE SIDES OF THE HULL, OUTBOARD OF THE SIDES THEREOF AND EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF THE HULL, A PAIR OF FORWARDLY INCLINED PLANING SKI MEMBERS MOUNTED ON THE UNDERSIDE OF EACH SKI MOUNTING MEMBER AND LONGITUDINALLY SPACED FROM ONE ANOTHER, PAIRED MEANS FOR PIVOTALLY AND RESILIENTLY MOUNTING EACH SAID ELONGATE MOUNTING MEMBER ON THE HULL FROM TWO LONGITUDINALLY DISPLACED POINTS THEREON, SAID LATTER MEANS COMPRISING A BLOCK OF RESILIENT MATERIAL HAVING FRONT AND REAR ENDS, A FIRST SHAFT PIVOTING FIXED TO THE SKI MOUNTING MEMBER AND EXTENDING LONGITUDINALLY OF THE LONGITUDINAL AXIS THEREOF AND FIXED AT ONE END TO ONE END OF SAID RESILIENT BLOCK, A BEAM MEMBER COMMUNICATING FROM THE HULL TO ADJACENT THE OTHER END OF THE RESILIENT BLOCK, AND A SECOND SHAFT FIXED AT ONE END THEREOF TO THE OTHER END OF THE RESILIENT BLOCK AND PIVOTALLY CONNECTED TO THE BEAM MEMBER AT THE OTHER END THEREOF.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |