Spring-loaded jumping shoes
US8272146B1 · kind B1 · utility
8Cited by
19References
5Claims
0Family size
Inventor
Key dates
| Filing date | Aug 5, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/74
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring-loaded jumping shoe featuring a shoe component comprising a sole, a top, and a foot hole; a track disposed in the sole of the shoe component; an attachment flange removably attached in the track in the sole of the shoe component; a generally flat base having a top surface, a bottom surface, an upwardly curved front end, and an upwardly curved back end; and at least a first hydraulic spring and a second hydraulic spring each extending upwardly from the base and sandwiched between the base and the attachment flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.