Chair apparatus

Details Chair apparatus Chair apparatus

2007-02-20

2007-02-20

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Bottom or back

Contoured back

C297SDIG010

Reexamination Certificate

active

11039142

ABSTRACT:
A chair apparatus for supporting a back of a person. The chair apparatus has a backrest and at least one support member attached with respect to the backrest. Each support member extends away from the backrest and forms an implantable element which can be inserted into and beneath a ground surface, such as into sand or dirt.

REFERENCES:
patent: 1312774 (1919-08-01), Barrett
patent: 1628472 (1927-05-01), Perry et al.
patent: 2108531 (1938-02-01), Flanders
patent: 3007661 (1961-11-01), Knopf
patent: 3675363 (1972-07-01), Mills
patent: 4421318 (1983-12-01), Sverdlik et al.
patent: 4586207 (1986-05-01), Cornette
patent: 4869553 (1989-09-01), Powell
patent: 5579599 (1996-12-01), Haeseler
patent: 5620229 (1997-04-01), Ledford
patent: 6908067 (2005-06-01), Clasen

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