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Class Information
Number: 297/353
Name: Chairs and seats > Movable back
Description: Device wherein means are provided to move or permit movement of the back relative to the other components of the seating device by means of an articulation of the back to the other components.










Sub-classes under this class:

Class Number Class Name Patents
297/383 Horizontally 113
297/354.1 Tiltable 104


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8690249 Chair having an adjustable backrest for spinal protection Apr. 8, 2014
8651577 Adjustment device Feb. 18, 2014
8613483 Pad structure for a chair back Dec. 24, 2013
8579376 Device for adjusting the height of the backrest of an office chair Nov. 12, 2013
8567866 Stroller seat pod Oct. 29, 2013
8517466 Convertible boat seat Aug. 27, 2013
8449035 Chair May. 28, 2013
8434828 Vehicular seat assembly May. 7, 2013
8403414 Power seat drive device Mar. 26, 2013
8360527 Fitting system for a vehicle seat Jan. 29, 2013
8313144 Stand up and kneel seat Nov. 20, 2012
8303040 Pillow support structure of a chair Nov. 6, 2012
8292368 Battery-powered adjustable boat seat Oct. 23, 2012
8262163 Upholstered recliner chair with an adjustable backrest padding Sep. 11, 2012
8235464 Child seat Aug. 7, 2012
8141951 Child safety seat Mar. 27, 2012
8070232 Scooter with dual chair backs Dec. 6, 2011
8020934 Chair backrest elevating device Sep. 20, 2011
7967379 Seat with independently adjustable user support assemblies Jun. 28, 2011
7967388 Vehicle backrest structure Jun. 28, 2011
7954897 Vehicular seat Jun. 7, 2011
7922249 Adjustable workstation Apr. 12, 2011
7914076 Device with a limit switch and trunnion Mar. 29, 2011
7896440 Chair armrest having a height adjustable function Mar. 1, 2011
7896438 Shapeable wheelchair seatback assembly Mar. 1, 2011
7806481 Seating unit with adjustable components Oct. 5, 2010
7780230 Seat assembly with movable seat and backrest and method Aug. 24, 2010
7775593 Adjusting device of a chair backrest Aug. 17, 2010
7686394 Vehicle seats Mar. 30, 2010
7661761 Motorcycle backrest assembly Feb. 16, 2010
7654974 Recliner spinal traction device Feb. 2, 2010
7625046 Task chair Dec. 1, 2009
7618090 Abdominal support swivel chair Nov. 17, 2009
7604298 Chair back attachment and method of assembly Oct. 20, 2009
7547068 Adjustable seat for automobiles and trucks Jun. 16, 2009
7543888 Vehicle seats Jun. 9, 2009
7533939 Arm assembly for a chair May. 19, 2009
7523992 Mechanisms for flexibly securing J-bar to chair backrest and chair headrest respectively Apr. 28, 2009
7506935 Adjustment means for backrest Mar. 24, 2009
7494185 J-back adjustment mechanism Feb. 24, 2009
7490906 Seat backrest for the crew rest compartment of an aircraft Feb. 17, 2009
7475943 Chair that is designed ergonomically to support a user's back snugly and completely Jan. 13, 2009
7461885 Backrest mechanism for operator's platform in stand-up rider industrial vehicle Dec. 9, 2008
7452031 Multi-adjustable child seat with detachable softgoods attachment Nov. 18, 2008
7445287 Seat device for a chair Nov. 4, 2008
7396082 Task chair Jul. 8, 2008
7387336 Child seat Jun. 17, 2008
7360837 Backrest adjusting device for chair Apr. 22, 2008
7357051 Ratchet-type adjustment device Apr. 15, 2008
7354108 Seat reclining apparatus Apr. 8, 2008

1 2 3 4 5 6 7










 
 
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