Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Reexamination Certificate
2009-07-31
2011-11-29
Thanh, Loan (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
C297S338000
Reexamination Certificate
active
08066624
ABSTRACT:
An exercise chair includes a seat; a base having one or more base supports, the one or more base supports configured to contact a support surface; a seat support supporting the seat, pivotally connected to the base, and biased upward, the seat support including a fulcrum, and wherein downward pressure on the seat by a sitting user causes the fulcrum of the seat support to contact that support surface in addition to one or more of the one or more base supports, forcing the user to maintain a balanced posture on the seat in order to maintain the seat support in a vertical orientation.
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Beuerle Stephen C.
Nguyen Tam
Procopio Cory Hargreaves & Savitch LLP
Thanh Loan
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