Rollable fulcrum balancing board recreational and exercise device provided with non-linear stabilization features
Abstract
Abstract 1. AN OMNI-DIRECTIONAL BALL AND HAT BALANCING DEVICE PROVIDED WITH NON-LINEAR STABILIZING FEATURES COMPRISING: A. A FREELY MOVING RIGID FULCRUMING SPHERE ADAPTED TO ROLL ACROSS A HORIZONTAL SURFACE; B. A RIGID AND GENERALLY CIRCULAR HAT SHAPED BALANCING BOARD ADAPTED TO BALANCE AND RIDE ON SAID FULCRUMING SPHERE, HAVING 1. A PROTUBERANT CENTER PORTION RESEMBLING THE CROWN OF A HAT AND OCCUPYING ABOUT HALF TO TWO THIRDS OF THE DIAMETER OF SAID HAT SHAPED BALANCING BOARD, 2. AN UPTURNED PERIPHERY AREA AT THE OUTER CIRCUMFERENCE OF SAID HAT SHAPED BALANCING BOARD RESEMBLING THE BRIM OF A MEXICAN SOMBRERO HAT AND FORMING AN ANNULAR FOOT POSITIONING TRENCH BETWEEN THE PROTUBERANT CENTER PORTION AND SAID UPTURNED BRIM; C. THE UNDERSURFACE OF SAID PROTUBERANT CENTER CROWN PORTION OF SAID HAT SHAPED BALANCING BOARD DEFINING A LONG ARC CONCAVE CIRCULAR CAVITY, THE SIDES OF WHICH GENTLY SLOPE AWAY FROM THE CENTRAL APEX OF SAID CONCAVE ENCLOSURE TO FORM A MOTION SHOWING SURFACE.
Inventors
- 👤 W England
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |