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: 135 Class Title: TENT, CANOPY, UMBRELLA, OR CANE Subclass Subclass Number Title 87 PORTABLE SHELTER, I.E., TENT OR CANOPY 88 .Shelter supported by vehicle 89 ..Travel trailer awning or canopy 90 .Shelter suspended from diverse support means 91 .With heating, lighting or ventilating 92 ..Heating 93 ..Ventilating 94 ...Of shelter-roof 95 .Convertible, i.e., from shelter to diverse object or from one type shelter to another type of shelter 96 .Combined 97 .Plural shelters, shelter having plural compartments or plural sectional covering 98 .Umbrella-type 99 .Center-pole suporting-type 100 .Cone-shaped type, e.g., tepee 101 .Framework 102 ..Arch-shaped or dome-type 103 ...Expansible, e.g., extensible 104 ...Flexible 105 ..External-type frame 106 ..Collapsible, e.g., breakdown-type 107 ...Telescoping and foldable 108 ...Telescoping 109 ...Foldable 110 ....Lazy-tong type 111 ....Parallelogram-type 112 ....Vertical supporting member having pivot means therein 113 ....Floor or base member having pivot means therein 114 .Shelter pole 115 .Cover for shelter 116 .Floor or base structure 117 .Closure, viewing window, awning or sunshade 118 .Stake 119 .Cover fastening 120 .Accessory or adjunct 15.1 UMBRELLA 16 .Combined 17 ..With cane 18 ..With imitation cane case 19 ..With independent stick 19.5 .Having quick assembly feature (e.g., emergency umbrella) 20.1 .Nonsymmetrical, axially offset or inclined canopy 20.2 .Inflatable 20.3 .Mechanically operated 21 .Suspended 22 .Self-opening and closing 23 ..Tensioned rib and stretcher 24 ..Handle release 25.1 .Collapsible in length 25.2 ..Lazy tong 25.3 ..Including three segment ribb 25.31 ..Including pivoted rib having two segments 25.32 ...Two pivot link 25.33 ...Multiple sliders 25.34 ...Folding stretcher 25.4 ..Handle or stick 25.41 ...Hollow handle case 26 ..Sliding rib 27 .Auxiliary frame brace 28 .Runners and notches 29 .Rib and stretcher joints 30 ..T-head and socket 31 .Ribs and stretchers 32 .Geats 33.2 .Cover or lining feature 33.4 ..Fastener 33.41 ...For detachable cover or lining 33.5 ..Rib tip fastener or structure 33.6 ..Having protector for cover at rib-to-stick joint 33.7 ..With ventilator or viewing window 33.71 ...Transparent 34.2 .Having storing case 37 .Retainers 38 ..Runner 39 ...Sliding 40 ...Spring 41 ....Modified runner 42 ...Stick hinge locked 43 ...Turning 44 ..Tip 48 .Drip cups 65 CANES, STICKS, CRUTCHES AND WALKING AIDS 66 .Combined and convertible 67 .Walker type 68 .Crutches 69 ..Extensible 70 ..Remote control ground exchangeable tips 71 ..Arm engaging 72 ..Handholds 73 ..Armrests 74 .Folding 75 .Telescopic 76 .Separable handle 77 .Tips 78 ..Exchangeable, e.g., conventional to spiked 79 ...Reversible 80 ...Relatively movable spiked and conventional elements 81 ....Spiked element housed within conventional elements 82 ..Shock absorbing 83 ...Fluid 84 ..Pivoting, rocking or swivelling 85 ..Roller 86 ..Yieldable material * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 WORKER OR SPECTATOR SHELTER 901 HUNTING BLIND OR ICE-FISHING SHELTER 902 DRESSING SHELTER, E.G., BEACH OR BATHINGG 903 ROLLER-OPERATED CANVAS 904 SEPARATE STORAGE MEASN OR HOUSING FOR SHELTER 905 METHOD OF ERECTING SHELTER 906 ARCHED STRUCTURE 907 COVER STRETCHER 908 SUPER TENT OR CANOPY 909 FITTING 910 ILLUMINATED CANE OR UMBRELLA 911 CANE FOR THE BLIND