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Class Information
Number: 297/423.1
Name: Chairs and seats > Rest for knee, leg, or foot
Description: Device wherein significance is attributed to a support for the knee, leg, or foot of either: (1) a seated occupant or partially seated occupant of a seating device; or (2) a nonoccupant; i.e., a person other than a seated or partially seated occupant of a seating device.


Sub-classes under this class:

Class Number Class Name Patents
297/423.19 Connected to chair or seat for relative movement 63
297/423.14 For nonoccupant use (e.g., shoe salesman`s stool, etc.) 3
297/423.11 For occupant`s knee or shin (e.g., sit-kneel type of chair, etc.) 55
297/423.18 Having substitute footrest 4
297/423.17 Including a portion engaging a side of occupant`s leg 8
297/423.39 Portable 21


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7331632 Footrest for wheelchairs or the like Feb. 19, 2008
7234780 Indented female blow-molded connector and male connector and method Jun. 26, 2007
7234781 Anchoring fixture for stools capable of adjusting elevation Jun. 26, 2007
7219956 Convertible stool May. 22, 2007
7121572 Wheelchair foot stabilizer assembly Oct. 17, 2006
7090303 Rehabilitation training and exercise chair Aug. 15, 2006
7052082 Pedicure basin for pedicure station and salon chair May. 30, 2006
6910724 Footrest plate Jun. 28, 2005
6835170 Low back stretching sleeper Dec. 28, 2004
6808231 Seat assembly Oct. 26, 2004
6578859 Gardening working vehicle structure Jun. 17, 2003
6318785 Automotive vehicle foot rest Nov. 20, 2001
6315359 Child safety seat Nov. 13, 2001
6273443 Universal elevating leg rest assembly Aug. 14, 2001
6237998 Baby seat cover May. 29, 2001
6220643 Mounting structure for automobile footrest Apr. 24, 2001
6161663 Stroke limiting velocity sensitive valve for a hydraulic lock mechanism Dec. 19, 2000
6123392 Chiropractic adjusting chair Sep. 26, 2000
6102475 Stool with attached table Aug. 15, 2000
6059367 Gliding seating unit with extendable footrest May. 9, 2000
6045192 Apparatus for supporting and elevating the legs and feet Apr. 4, 2000
6003944 Bar stool Dec. 21, 1999
5954401 Reclining seat and ottoman system for aircraft including amenity cabinet Sep. 21, 1999
5863282 Therapeutic and orthopedic leg rest system for desks Jan. 26, 1999
5836555 Industrial chair Nov. 17, 1998
5826941 Adjustable foot rest Oct. 27, 1998
5779315 Support aid for use during a baptismal ceremony Jul. 14, 1998
5633286 Gelatinous elastomer articles May. 27, 1997
5607212 Article of furniture with footrest mounted pivotally to drawer Mar. 4, 1997
5508334 Thermoplastic elastomer gelatinous compositions and articles Apr. 16, 1996
5503457 Combination lounge and study chair Apr. 2, 1996
5449221 Portable leg rest Sep. 12, 1995
5368367 Foot support for reclining chair Nov. 29, 1994
5352013 Combination table and leg rest for reclining chair Oct. 4, 1994
5334646 Thermoplastic elastomer gelatinous articles Aug. 2, 1994
5312155 Structure of footrest in vehicle seat May. 17, 1994
5251961 Adjustable computer chair Oct. 12, 1993
5230524 Carrier for patients or the like Jul. 27, 1993
5188383 User-collapsible wheelchair Feb. 23, 1993
5104188 Bicycle seat for children Apr. 14, 1992
5098160 Ergonomic seating system apparatus Mar. 24, 1992
5042800 Spine tensioning body support Aug. 27, 1991
4896916 Chair for cutting children's hair Jan. 30, 1990
4822099 Rotary seat Apr. 18, 1989
4804228 Chair for service to customer Feb. 14, 1989
4787675 Adjustable seat to support an occupant at a constant height Nov. 29, 1988
4753407 Riser assembly for hairdressing chair Jun. 28, 1988
4714292 Baby carriage Dec. 22, 1987
4695072 Athlete carrier Sep. 22, 1987
4690459 Working chair Sep. 1, 1987

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