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Class Information
Number: 297/440.2
Name: Chairs and seats > Having detachably interfitting parts or components; i.e., knockdown > Interfitted back and back frame
Description: Device including a back and a frame on which the back is mounted, wherein the back includes structure configured to detachably closely join with a connection means of the back frame.










Sub-classes under this class:

Class Number Class Name Patents
297/440.21 Including a substantially upright post slidably inserted into an elongated recess 97


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8678504 Seat assembly for chair Mar. 25, 2014
8632129 Adjustable backrest Jan. 21, 2014
8613484 Detachable chair Dec. 24, 2013
8590977 Wheelchair back mounting assembly Nov. 26, 2013
8567867 Child seat with adjustable back Oct. 29, 2013
8567863 Back support, orientation mechanism and method Oct. 29, 2013
8550562 Washable child car seat subframe Oct. 8, 2013
8517469 Three-axis adjustable back support assembly and method Aug. 27, 2013
8511753 Dismountable chair assembly Aug. 20, 2013
8454093 Mesh chair with open-end hoop Jun. 4, 2013
8353560 No-tools chair assembly Jan. 15, 2013
8297708 Assembling structure of planar elastic body of vehicle seat Oct. 30, 2012
8267478 Vehicle seat and assembly method Sep. 18, 2012
8251454 Backrest of the chair and adaptation device for the same Aug. 28, 2012
8197009 Wheelchair seatback with two-point mounting hardware Jun. 12, 2012
8118361 Seat assembly for a vehicle Feb. 21, 2012
8113581 Supportive back overlay for wheelchair back Feb. 14, 2012
8112868 Method for manufacturing custom chairs Feb. 14, 2012
8113587 Portable lift chair Feb. 14, 2012
8096621 Vehicle seat assembly Jan. 17, 2012
8087730 Combined backrest for a chair Jan. 3, 2012
8061771 Supportive back overlay for wheelchair back Nov. 22, 2011
8061779 Frame structure of seat back for vehicle and seat back for vehicle with frame structure Nov. 22, 2011
8033598 Mesh folding chair Oct. 11, 2011
8033611 Bench Oct. 11, 2011
8002354 Chair device for person carrier Aug. 23, 2011
7980580 Clamping assembly Jul. 19, 2011
7967388 Vehicle backrest structure Jun. 28, 2011
7909407 Vehicle seat connection Mar. 22, 2011
7896433 Sitting arrangement for automotive vehicles Mar. 1, 2011
7896434 Seat assembly for a vehicle Mar. 1, 2011
7891739 Apparatus for mounting a wheelchair back Feb. 22, 2011
7887137 Theatre chair Feb. 15, 2011
7883152 Ready to assemble adjustable bar stool and method for packaging same Feb. 8, 2011
7866689 Vehicle seat frame structure and method of manufacturing same Jan. 11, 2011
7857389 Structure for connecting members Dec. 28, 2010
7857394 Wheelchair seat back with two-point mounting hardware Dec. 28, 2010
7854481 Methods and apparatus for assembling a wheel chair Dec. 21, 2010
7841666 Back support structure Nov. 30, 2010
7832806 Seat apparatus for vehicle Nov. 16, 2010
7740320 Chair having grooves in each arm for receiving a sheet of fabric as a seat Jun. 22, 2010
7740315 Back construction for seating unit Jun. 22, 2010
7722124 Seating unit with formed cushion, and manufacturing method May. 25, 2010
7712833 Structure for connecting members May. 11, 2010
7607733 Folding super chair Oct. 27, 2009
7604298 Chair back attachment and method of assembly Oct. 20, 2009
7575283 Modular booth seat Aug. 18, 2009
7568765 Chair Aug. 4, 2009
7552975 Backrest attachment device Jun. 30, 2009
7530640 Layered chair back and chair seat May. 12, 2009

1 2 3 4 5










 
 
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