Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Combined and convertible
Reexamination Certificate
2007-08-28
2007-08-28
Yip, Winnie (Department: 3636)
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Combined and convertible
C135S069000, C135S074000, C135S084000, C182S106000, C297S423410, C428S052000
Reexamination Certificate
active
11107260
ABSTRACT:
A cane having a substantially vertical member, a base attached to the substantially vertical member with at least three legs and a first tread proximate the substantially vertical member, a second tread moveably connected to the first tread, the second tread having at least one leg and being moveable from a retracted position to an extended position. A cane having a handle means for carrying the cane and for steadying a user of the cane, a platform means for stepping upon by the user, the platform means secured to the handle means and an extension means for retractably extending the platform means. A method of climbing a vertical rise that includes positioning, at a bottom of a vertical rise, a cane having an extendable platform, extending the platform, stepping upon the platform, stepping off the platform onto a surface higher than the bottom of the vertical rise; and retracting the platform.
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Morgan & Lewis & Bockius, LLP
Yip Winnie
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