US3083933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski glider
Assignee: Individual
•
Filing: 1960-04-28
•
Granted: 1963-04-02
•
Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Richard T Cella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A GLIDER FOR WATER SKIING OR THE LIKE COMPRISING A RIGID AIR FOIL AND A STABILIZER MOUNTED AND SUPPORTED BY A SUPPORTING FRAMEWORK TO FORM A RIGID UNIT, A TRUSS MOUNTED BELOW SAID FRAMEWORK AND A TRANSVERSE SUPPORT BAR CARRIED BY SAID TRUSS, MEANS PIVOTALLY SUSPENDING A RIDER FROM SAID SUPPORT BAR, SAID AIR FOIL HAVING AN OPENING FOR THE RIDER ABOVE SAID SUPPORT BAR, SAID BAR BEING LOCATED AT ABOUT THE INTERSECTION OF THE FIRST LINE DRAWN FROM A POINT ON THE AIR FOIL ONE-FIFTH OF THE DISTANCE FROM THE LEADING EDGE THEREOF AT A REARWARD ANGLE OF ABOUT 30 DEGREES TO THE VERTICAL AND A SECOND LINE DRAWN FROM A POINT ON THE AIR FOIL ABOUT TWO FIFTHS OF THE DISTANCE FROM THE LEADING EDGE THEREOF AT A FORWARD ANGLE OF ABOUT 40 DEGREES TO THE VERTICAL, SAID POINT BEING ADAPTED TO PRODUCE A RIGHTING MOMENT WHENEVER THE PITCH ANGLE OF THE GLIDER IS DISTURBED FROM ITS PROPER GLIDE PATH.
Claim 2
Dependent Claim
162 words
A GLIDER FOR WATER SKIING OR THE LIKE COMPRISING A RIGID AIR FOIL AND A STABILIZER MOUNTED AND SUPPORTED BY A SUPPORTING FRAMEWORK TO FORM A RIGID UNIT, A TRUSS MOUNTED BELOW SAID FRAMEWORK AND A TRANSVERSE SUPPORT BAR CARRIED BY SAID TRUSS, MEANS PIVOTALLY SUSPENDING A RIDER FROM SAID SUPPORT BAR, SAID AIR FOIL HAVING AN OPENING FOR THE RIDER ABOVE SAID SUPPORT BAR, SAID BAR BEING LOCATED AT ABOUT THE INTERSECTION OF THE FIRST LINE DRAWN FROM A POINT ON THE AIR FOIL ONE-FIFTH OF THE DISTANCE FROM THE LEADING EDGE THEREOF AT A REARWARD ANGLE OF ABOUT 30 DEGREES TO THE VERTICAL AND A SECOND LINE DRAWN FROM A POINT ON THE AIR FOIL ABOUT TWO FIFTHS OF THE DISTANCE FROM THE LEADING EDGE THEREOF AT A FORWARD ANGLE OF ABOUT 40 DEGREES TO THE VERTICAL, SAID POINT BEING ADAPTED TO PRODUCE A RIGHTING MOMENT WHENEVER THE PITCH ANGLE OF THE GLIDER IS DISTURBED FROM ITS PROPER GLIDE PATH.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |