Convertible crutches

Details Convertible crutches Convertible crutches

2006-10-03

2009-11-10

Yip, Winnie (Department: 3636)

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Combined and convertible

C135S074000, C297S118000, C248S155000

Reexamination Certificate

active

07614414

ABSTRACT:
Devices and methods are presented to provide a seating area on a common crutch. The convertible seat is low profile and maintained flat on a side of the crutch until needed. It may be opened easily and placed flat on the floor to provide the user with a convenient sitting or table area.

REFERENCES:
patent: 751942 (1904-02-01), Renno
patent: 1463675 (1923-07-01), Coleman
patent: 1972668 (1934-09-01), Sheldon
patent: 2766813 (1956-10-01), Reuben
patent: 3537748 (1970-11-01), Knapp
patent: 3709159 (1973-01-01), Oglesby, Jr.
patent: 4910927 (1990-03-01), Beatty
patent: 5090434 (1992-02-01), Hagen
patent: 5185892 (1993-02-01), Mitchell
patent: 5735303 (1998-04-01), Cole
patent: 5746236 (1998-05-01), Tilsley et al.
patent: 6311708 (2001-11-01), Howle
patent: 6386217 (2002-05-01), Cooper et al.

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