US3213822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized surfboard
Assignee: Individual
•
Filing: 1964-03-27
•
Granted: 1965-10-26
•
Expires: 1984-03-27
Abstract
No abstract record available.
Inventors
- 👤 Sawchuk Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:00
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SURFBOARD DEVICE COMPRISING A BODY HAVING A REARWARD SUBSTANTIALLY FLAT PORTION AND A FORWARD PORTION RESEMBLING THE PROW OF A BOAT, SAID FORWARD PORTION HAVING AN APERTURE THERETHROUGH ADAPTED TO HOUSE A BOAT MOTOR SHAFT WITH THE PROPELLER PROJECTING THROUGH SAID APERTURE LOCATED AND ORIENTED TO DRIVE SAID SURFBOARD IN A FORWARD DIRECTION, SAID FORWARD PORTION HAVING A HEIGHT TO FORM A SAFETY GUARD FOR A MOTOR MOUNTED IN SAID APERTURE, SAID APERTURE HAVING A FRONT WALL, SIDE WALLS AND A BACK WALL THAT IS CURVED IN BOTH VERTICAL LONGITUDINAL AND VERTICAL TRANSVERSE CROSS-SECTIONS TO PROVIDE A FLARED SURFACE ADAPTED TO REACT AGAINST WASH FROM A MOTOR TO PROVIDE LIFT FOR THE SURFBOARD AND PERMIT EASY ESCAPE OF THE WASH, SAID SIDE WALLS IN TRANSVERSE VERTICAL CROSS-SECTION CONVERGING FROM BOTTOM TO TOP AND IN TRANSVERSE HORIZONTAL CROSS-SECTION DIVERGING FROM FRONT TO BACK TO MERGE WITH SAID BACK WALL AND COOPERATE WITH THE WASH AND PROVIDE CRAFT STABILITY DURING TURNS.
Claim 2
Dependent Claim
160 words
A SURFBOARD DEVICE COMPRISING A BODY HAVING A REARWARD SUBSTANTIALLY FLAT PORTION AND A FORWARD PORTION RESEMBLING THE PROW OF A BOAT, SAID FORWARD PORTION HAVING AN APERTURE THERETHROUGH ADAPTED TO HOUSE A BOAT MOTOR SHAFT WITH THE PROPELLER PROJECTING THROUGH SAID APERTURE LOCATED AND ORIENTED TO DRIVE SAID SURFBOARD IN A FORWARD DIRECTION, SAID FORWARD PORTION HAVING A HEIGHT TO FORM A SAFETY GUARD FOR A MOTOR MOUNTED IN SAID APERTURE, SAID APERTURE HAVING A FRONT WALL, SIDE WALLS AND A BACK WALL THAT IS CURVED IN BOTH VERTICAL LONGITUDINAL AND VERTICAL TRANSVERSE CROSS-SECTIONS TO PROVIDE A FLARED SURFACE ADAPTED TO REACT AGAINST WASH FROM A MOTOR TO PROVIDE LIFT FOR THE SURFBOARD AND PERMIT EASY ESCAPE OF THE WASH, SAID SIDE WALLS IN TRANSVERSE VERTICAL CROSS-SECTION CONVERGING FROM BOTTOM TO TOP AND IN TRANSVERSE HORIZONTAL CROSS-SECTION DIVERGING FROM FRONT TO BACK TO MERGE WITH SAID BACK WALL AND COOPERATE WITH THE WASH AND PROVIDE CRAFT STABILITY DURING TURNS.
References Cited (Backward Citations)
US2593806A
Cited
US2901757A
Cited
US2897307A
Cited
US3040697A
Cited
US3079885A
Cited
US3136288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |