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US 2004/0110613 A1Published application
Exercise ball device (III)
OwnerYang-Chin Huanginventor
Life of this patent
Estimating the term…
Abstract
An exercise ball device has a big ball having a hole, an elastic cable penetrating a hole of a big ball, two end hooks disposed on two ends of the elastic cable, and two small ball having retainer rings to receive one of the end hooks.
Claims2
An exercise ball device comprises:
- a big ball having a hole,
- an elastic cable penetrating a hole of a big ball,
- two end hooks disposed on two ends of the elastic cable, and
- two small ball having retainer rings to receive one of the end hooks.
1 more element
Dependencies are inferred from the claim text.