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Class Information
Number: 297/451
Name: Chairs and seats >

Sub-classes under this class:

Class Number Class Name Patents
297/1 Seating device reorients as unit 38
297/105 Displaceable bottom exposes supplemental body support 24
297/112 Back carries stored supplemental body support 49
297/115 Armrest movable to diverse use position 124
297/118 Convertible 234
297/13 Folding bottom permits seat rotation about vertical axis 10
297/135 With table, desk, or easel 96
297/14 Bottom and back connected to and foldable in wall or partition 118
297/16.1 Collapsible chair; i.e., relatively folding bottom, back, and legs 247
297/175 Milker stool type 6
297/180.1 With heat exchanger or means to provide fluid or vapor treatment 93
297/181 Simulation; e.g., animal or vehicle 66
297/182 With debris catcher 68
297/183.1 With handle 56
297/184.1 With weather shield or insect protector (e.g., canopy, screen, etc.) 62
297/185 With mirror 13
297/186 With musical instrument or instrument support 7
297/187 Prie-dieu type of kneeling stand 3
297/188.01 With holder or receptacle for disparate article 218
297/195.1 Straddle seat (e.g., saddle type, etc.) 287
297/216.1 Crash seat 491
297/217.1 Combined 236
297/218.1 Upholstery cover detachably connected to frame 110
297/219.1 Detachable supplemental flexible pad or cover 284
297/230.1 Supplemental back 90
297/232 Plural related seats 275
297/250.1 Supplemental seat (e.g., child seat, etc.) 614
297/258.1 Rocker-mounted 80
297/273 Oscillating suspender connected to or through adjunctive rest 135
297/283.1 Changeable or reversible supporting surface 27
297/284.1 Bottom or back with means to alter contour 312
297/285 Back movement resiliently opposed in operating position 90
297/310 With means to control rearward chair tipping 43
297/311 Movable bottom 75
297/350 Laterally folding or collapsing back 20
297/352 Portable back with bottom attacher 81
297/353 Movable back 299
297/391 Headrest 447
297/4 Portable bottom with occupant attacher 76
297/411.1 Support for armpit 23
297/411.2 Armrest 117
297/423.1 Rest for knee, leg, or foot 100
297/440.1 Having detachably interfitting parts or components; i.e., knockdown 270
297/445.1 Bottom, back and leg (i.e., chair) 60
297/452.1 Bottom or back 78
297/461 Padded stool 62
297/463.1 Chair hardware or attachment (e.g., bracket, operating lever, leg extension, etc.) 336
297/463.2 Miscellaneous 157
297/464 Body or occupant restraint or confinement 272
297/5 With occupant-propelled walker or skater frame 181
297/61 Headrest interconnected with back for relative concurrent movement 124
297/62 Component reorientable to stacked bunks 7
297/63 Component of adjacent seats reorientable to single bed 23
297/68 Legrest or footrest interconnected to move relative to bottom and concurrent with bottom or back 185
297/7 With removable or reorientable crib side 4
297/900 Chair for suntanning in the prone (i.e., facedown) position 35
297/92 Chair with interchangeable and reversible bottom and back 21
297/94 Back reversible as to bottom; e.g., walkover type 34
297/DIG.1 Foam 267
297/DIG.10 Occupant-arising assist 286
297/DIG.11 Baby bouncer 35
297/DIG.2 Molded 248
297/DIG.3 Pneumatic 264
297/DIG.4 Wheelchair 658
297/DIG.5 Fireproof 40
297/DIG.6 Velcro 161
297/DIG.7 Rocker/recliner 64
297/DIG.8 Inflatable bellows 47

Patents under this class:

Patent Number Title Of Patent Date Issued

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