What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
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Class Number: 140 Class Title: WIREWORKING Subclass Subclass Number Title 1 COMBINED MACHINES 2 MISCELLANEOUS 71 R ARTICLE MAKING OR FORMING 71.5 .Electric lamp or electric space discharge device electrode 71.6 ..Filament mounting 72 .Heddles 73 .Bale ties 74 .Box straps 75 .Bails 76 .Ferrules 77 .Hat wires 80 .Hooks 81 ..Garment fastener type 81.5 ..Garment hanger type 82 .Clips 83 ..Clothespins 84 .Belt lacings 85 .Cork fasteners 86 .Corkscrews 87 .Hairpins 88 .Rings 89 .Spring setting 90 .Stays 91 ..Garment 92 .Stud spirals 92.1 .Forms and frames 92.2 ..Revoluble 92.3 .Helix screwing through row of loops or openings 92.4 ..Method 92.5 ..Repeated interlacing with same row (e.g., cording mechanism) 92.6 ..Simultaneous interlacing of plural helices 92.7 ..Combined 92.8 ..Loop row shifter 92.9 ..Helix rotator travelling axially 92.93 ..Grooved roller helix guides 92.94 ..Helix embracing guides 71 A .Stain-gauge 71 B .Vacuum tube grids 71 C .Coils 93 R APPLYING WIRE 93.2 .Binder tightening and joining implements 93.4 ..Sleeve or clamp joining 93.6 ..Twisters 94 .Bottles and corks 95 ..Rotary bottle 97 .Card clothing 100 .Comb making 93 A .Wire ties 93 B .Bail-attaching 93 C .Wire bound boxess 93 D .Clip clinching 93 E .Wire pull bottle caps 93 F .Handle attaching 150 SEAL APPLYING OR BAND FASTENING 151 .By device having magazine for seals or fasteners 152 .By device having cutting edge 153 .By device having single throw lever 154 ..Including pivoted force multiplier between die and lever 3 R FABRIC MAKING 4 .Rotary machines .All wire 5 ..Multiple strand 6 ..Hexagonal mesh 7 ..Quadrangle mesh 9 ..Diamond mesh 10 ..Stay applying 11 ...Clip joining 12 ...Wrapped loop 13 ...Short stay 14 ...Loop strand 15 ...Successively wrapped stay 16 ..Portable machines 17 ...Mesh making 18 ...Stay applying 19 ....Multiple strand 21 ....Wrapped loop 22 ....Looped strand 23 ....Successively wrapped stay 24 ..Edge-strand binding 25 .Slat and wire 26 ..Slat cutting 27 ..Magazine 28 ..Dummy spacing 29 ..Movable carriage 30 ..Strand twisting 31 ...Embedding 32 ...Beaters 33 ...Spreaders 34 ..Strand coiling 35 ..Weavers 36 ..Twister heads 37 ..Portable machines 38 ...Magazine 39 ...Strand twisters 40 ....Slat adjustment 41 ....Plumb adjustment 42 ....Beaters 43 ....Vertically adjustable 44 ....Eccentric type 45 ....Wire crossers 46 .....Oscillatory 47 ...Strand coilers 48 ...Weavers 49 ...Tie-wire appliers 50 ..Spacers 51 .Clamps 52 .Implements 53 ..Magaziness 54 ...Revoluble head 56 ..Slat attaching 57 ...Tie-wire appliers 3 A .Chain fabric 3 AA .Link and perforated plates 3 B .Rings 3 BA .Ring and spider plate 3 C .Reinforced fabrics 3 CA .Coil spring mattresses 58 BARBING 59 .Barb-wire feeding 60 ..Multiple strand 61 ..Four-point barbs 62 ...Strand crimping 63 ...Rotary coilers 64 ..Strand crimping 65 ..Rotary coilers 66 .Sheet metal 67 .Separate barbs 69 .Implements 70 ..Revoluble head 101 KNOTTING 102 LOOP FORMING 102.5 .Implements 103 .Coil springs 104 EYE FORMING 105 CRIMPING 106 .Implements 107 FABRICS, WORKING 108 .Stretchers 109 ..Frame attaching 110 ...Bed bottoms 111 JOINING WIRE 112 .Electric welding 113 .Machines 114 ..Interlocking eyes, making 115 ..Revoluble head 116 .Tying dies 117 .Implements 118 ..Twisters 119 ...Revoluble head 120 ...Spread wire 121 ..Plier type 122 ..Revoluble head 123 IMPLEMENTS 123.5 .Stretchers 123.6 ..Cutting feature 124 .Coiling 139 WIRE CUTTING AND STRAIGHTENING 140 .Predetermined lengths 147 WIRE STRAIGHTENING 149 WIRE TWISTING