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Class Information
Number: 297/446.1
Name: Chairs and seats > Bottom, back and leg (i.e., chair) > Back or back standard integral with leg
Description: Device wherein the back or the structure on which the back is mounted and a leg are of one-piece construction.










Sub-classes under this class:

Class Number Class Name Patents
297/447.1 Front leg 15
297/446.2 Integral with plural rear legs 20
297/447.4 Legs interbraced between bottom and ground 10


Patents under this class:

Patent Number Title Of Patent Date Issued
8511753 Dismountable chair assembly Aug. 20, 2013
8256845 Bamboo chair Sep. 4, 2012
8152237 Stacking chair Apr. 10, 2012
8096620 Injection mold seat riser for modular school bus seats Jan. 17, 2012
8033611 Bench Oct. 11, 2011
7971935 Ergonomic side chair Jul. 5, 2011
7552975 Backrest attachment device Jun. 30, 2009
7404607 Easy assembly barstool Jul. 29, 2008
7036887 Chair with attached footrest for putting on and removing footwear May. 2, 2006
6997514 E.V.A. furniture Feb. 14, 2006
6899396 Chair construction May. 31, 2005
6247754 Take apart chair Jun. 19, 2001
6139108 Chair frame Oct. 31, 2000
6116692 Chair construction Sep. 12, 2000
6017093 Rectilinear cross-sectional beam furniture, furniture design and furniture production Jan. 25, 2000
6017092 Structure for connecting a backrest to a seat frame of a chair Jan. 25, 2000
6003948 Chair construction Dec. 21, 1999
5938287 Seat for elderly and disabled Aug. 17, 1999
5924770 Chair construction Jul. 20, 1999
5876098 HI-CHI meditation chair Mar. 2, 1999
D382128 Chair Aug. 12, 1997
5649742 Leg assembly for chairs Jul. 22, 1997
5647639 Orthopedic chair for supporting a person wearing a cast Jul. 15, 1997
5427437 Permanent seat bracket and bench Jun. 27, 1995
5350218 Knockdown furniture structure Sep. 27, 1994
5337471 Method of constructing a seat for a wooden deck Aug. 16, 1994
5275454 Twig furniture Jan. 4, 1994
5154485 Spring plate furniture Oct. 13, 1992
4955667 Seating in the form of a chair or similar piece of furniture Sep. 11, 1990
4907328 Method of making pieces of furniture from sheets of felt treated with hardening substances Mar. 13, 1990
4858996 Modular seating Aug. 22, 1989
4850647 Chair Jul. 25, 1989
4703976 Seat Nov. 3, 1987
4676552 Piece of furniture Jun. 30, 1987
4676553 Chair and method of making same Jun. 30, 1987
4639042 Chair back arrangement Jan. 27, 1987
4577906 Armchair with knocked down front legs Mar. 25, 1986
4436342 Furniture joint assembly Mar. 13, 1984
4366980 Stackable armchair Jan. 4, 1983
4304436 Stackable chair Dec. 8, 1981
4234227 Collapsible chair Nov. 18, 1980
4209198 Knockdown chair Jun. 24, 1980
4201417 Demountable seating furniture May. 6, 1980
4193632 Furniture unit Mar. 18, 1980
D253142 Outdoor bench Oct. 16, 1979
3972565 Couch Aug. 3, 1976











 
 
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