Chairs and seats – Having detachably interfitting parts or components; i.e.,...
Reexamination Certificate
2006-12-21
2008-08-19
Cranmer, Laurie K (Department: 3636)
Chairs and seats
Having detachably interfitting parts or components; i.e.,...
C297S195110, C297S016200, C108S154000, C248S431000
Reexamination Certificate
active
07413254
ABSTRACT:
A portable, easily assembled and disassembled three-legged stool or stool kit includes a seat with a quick-release leg-fastening assembly, three legs having keyhole slots to engage with the quick-release leg-fastening assembly, and a substantially planar leg bracket oriented below and parallel with the seat that has three symmetrically-oriented elongated slots to receive and orient the legs. At least one of the legs has multiple, spaced-apart sets of opposing grooves for supporting a removable, cantilevered platform such as a footrest or a drink holder. When assembled, the legs are oriented in a structurally strong and rigid fashion to support the seat.
REFERENCES:
patent: 64694 (1867-09-01), Olds
patent: 576657 (1897-02-01), Chapman
patent: 647171 (1900-04-01), Wiles
patent: 799455 (1905-09-01), Cornell
patent: 1172439 (1916-02-01), Crozier
patent: 1477233 (1923-12-01), Alexander
patent: 2368740 (1945-02-01), Blomgren
patent: 3338189 (1967-08-01), Xavier
patent: 3396933 (1968-08-01), Ward
patent: 3566808 (1971-03-01), Slate et al.
patent: 4184711 (1980-01-01), Wakimoto
patent: 4423849 (1984-01-01), Jordan
patent: 4717108 (1988-01-01), Liedle
patent: 4934638 (1990-06-01), Davis
patent: 5975626 (1999-11-01), Aycock
patent: 6135557 (2000-10-01), Gustafsson
patent: 6615746 (2003-09-01), Bart
patent: 6814010 (2004-11-01), Bart
patent: 7216937 (2007-05-01), Key et al.
“The Basic Stool”, www.guitarstools.com/basic.htm—this is a depiction of the inventor's prior art stool.
“The Classical Tool”, www.guitarstools.com/classical.htm—this is another depiction of the inventor's prior art stool.
“The Stage Stool”, www.guitarstools.com/stage.htm—this is another depiction of the inventor's prior art stool.
“Stage Stool Photos”, www.guitarstools.com/stagephotos.htm—this is another depiction of the inventor's prior art stool.
Cernyar Eric W.
Cranmer Laurie K
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