Method for forming bases for rotatable office chairs and...

Details Method for forming bases for rotatable office chairs and... Method for forming bases for rotatable office chairs and...

2007-03-13

2007-03-13

Ramirez, Ramon O (Department: 3632)

Supports

Stand

Understructure

C248S903000, C297S452500

Reexamination Certificate

active

10500462

ABSTRACT:
A method for forming rotatable bases for offices chairs characterised by structurally joining together at least two half-shells to form overall a plurality of spokes, each consisting of an elongated box-shaped body, and a central ring into which a column is inserted.

REFERENCES:
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patent: 5332188 (1994-07-01), Davis et al.
patent: 5402973 (1995-04-01), Haines
patent: 5906343 (1999-05-01), Battey et al.
patent: 6290191 (2001-09-01), Hendricks et al.
patent: 171564 (1985-06-01), None
patent: 0 517 206 (1992-12-01), None
patent: 2 081 085 (1982-02-01), None

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