Skate and skating surface
Abstract
Abstract A SKATE ESPECIALLY DESIGNED FOR USE ON A RESIN SURFACE HAVING A LOW COEFFICIENT OF FRICTION TO SIMULATE ICE SKATING AND AN IMPROVED SKATING SURFACE FOR USE IN COMBINATION THEREWITH. TO PREVENT SIDE SLIP AND DEVELOP FORWARD THRUST AND PROVIDE FOR BRAKING, A FRICTION ELEMENT IS PROVIDED ON THE SKATE RUNNER WHICH MAY BE SELECTIVELY EFFECTIVE FOR THIS PURPOSE, BUT DOES NOT INTERFERE WITH FORWARD GLIDE. IT PREFERABLY COMPRISES A ROLLER ELEMENT WITH A FRICTION RIM THAT IS EFFECTIVE ONLY WHEN THE SKATE IS MANEUVERED IS SUCH MANNER THAT THE ROLL PERIPHERY IS AT A PROPER ANGLE TO PREVENT FREE TURNING OF THE ROLL. THE SKATING SURFACE IS FORMED OF PANELS OF SHEETED REINFORCED POLYESTER CONTAINING ANTI-FRICTION, AND DESIRABLY ANTI-STATIC, ADDITIVES AND CURED UNDER HEAT AND PRESSURE.
Inventors
- 👤 Harry S Nagin
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |