Convertible stool

Chairs and seats – Straddle seat – Other than cycle seat

Reexamination Certificate

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Details

C297S215160, C297S344120, C297S344190, C297S423100, C297S423360, C297S423380, C297S423450, C297S461000

Reexamination Certificate

active

11041140

ABSTRACT:
A convertible stool is interchangeable between a utility function which has a seat movable up and down and has casters as feet at the end of legs connected with the seat through an upstanding member. In a second use, the casters are replaced by feet to give stability to the chair on a floor or base. As such, the second use can be a furniture type use.

REFERENCES:
patent: 3233942 (1966-02-01), Creutz
patent: RE27255 (1971-12-01), Pierson, Jr.
patent: 4037292 (1977-07-01), Lapham
patent: 4621804 (1986-11-01), Mueller
patent: 5439269 (1995-08-01), Cheng
patent: 5964436 (1999-10-01), Battey et al.
patent: 6003944 (1999-12-01), Glockl
patent: 6095464 (2000-08-01), du Rees
patent: 6116690 (2000-09-01), Larson
patent: 6419319 (2002-07-01), Sakurai
patent: 6481795 (2002-11-01), Pettibon
patent: 6626404 (2003-09-01), Kleinikel et al.
patent: 6637072 (2003-10-01), Footitt et al.
patent: 6709052 (2004-03-01), Jalkanen
patent: 2003/0151291 (2003-08-01), Lin et al.
patent: 2004/0206864 (2004-10-01), McAnulty

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