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.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 131 Class Title: TOBACCO Subclass Subclass Number Title 270 ANTISMOKING PRODUCT OR DEVICE, I.E., DETERENT 271 .No smoke to user 272 .Smoke to air ratio controlled 273 .Smoking simulator 274 PRODUCT OR DEVICE HAVING IDENTIFIABLE CONSTITUENT TO FLAVOR OR ENHANCE FLAVOR 275 .Naturally occurring or synthetic duplicate 276 .Organic compound 277 ..Heterocyclic 278 ...Containing nitrogen as hetro atom 279 ..Containing a sulphor atom 280 CIGAR OR CIGARETTE MAKING 281 .Including perforating 282 .Including arranging, collecting, or delivering 283 ..And packing 284 .With coating or printing 285 .Including fingerlike member which alternately engages and releases product 286 .With cleaning away unwanted product component, e.g., gum or adhesive 287 ..By pneumatic means 288 ..By liquid means 289 ..By scraping, wiping, etc. 27.1 .Including cooperating surfaces to induce rolling 28 ..Combined 29 ...With tip or mouthpiece applier or former 30 ....With stationary smoother 31 ...With tobacco treatment 32 ...With subsequent wrapping or forming operations 33 ...With wrapper cutter 34 ....Continuous wrapper 35 ....With adhesive supply or applier 36 ...With pre-cut wrapper feed and/or holder or smoother 37 ...With adhesive supply or applier 38 ...With filler tobacco or bunch feeder 39 ....With plural feed 40 ....With bunch separator 41 .....With bunch pre-compressor 42 ......Ribbon feed 43 ......Table mold 44 .....With hopper discharger 45 ...With bunch pre-compressor 46 ...With end trimmer or completed article cutter 47 ..Apron type 48 ...With moving table 49 ....Rotating or oscillating table 50 ...With stationary table 51 ....With movable roll type member 52 .....Swinging roll support 53 ......Vertical axis 54 ...Aprons 55 ..Belt typee 56 ..Roller type 57 ..Roller 57.5 ..Drum and concave surfaces 58 .Wrapping devices 59 ..Spirally wound continuous wrapper 60 ..Longitudinally fed continuous wrapper 61.1 ...With tip or mouthpiece applier or former 62 ...With tobacco treatment 63 ....With completed article cutter 64.1 .....With tobacco rod preshaper 64.2 ......With transverse or longitudinal compression 65 ...With completed article cutter 66.1 ...With tobacco rod preshaper 66.2 ....With transverse or longitudinal compression 67 ...With wrapper sealing 68 ....With heating means 69 ....With adhesive supply or applier 70 ..Tube filling type 71 ...With tip or mouthpiece applier or former 72 ....Plug inserting 73 ...With tube making 74 ...With hopper feed of tubes 75 ...Mold with encircling wrapper tube 76 ..With tip or mouthpiece applier or former 77 .Molding or forming 78 ..Combined 79 ...With tobacco treatment 80 ...With plural molding or forming 81.1 ...With tobacco or bunch feed 82 ...With bunch remover and/or transfer 83.1 ...With trimmer, perforator or slitter 84.1 ..Continuous rod or ribbon former 84.2 ...With transverse compression 84.3 ...With pneumatic assist for tobacco movement 84.4 ...With trimmer for rod or ribbon 85 ..Molds 86 ...Plural 87 ....Rotary or endless carrier 88 .Tip or mouthpiece applying or forming 89 ..End tucker, folder, crimper, smoother 90 ...With adhesive supply or applier 91 ...With cutter or trimmer 92 ...With heater and/or end punch 93 ...Rotating type 94 ..Plug attaching or inserting 95 ..Sheet material tip 96 .Recovery of tobacco from cigarettes and cigars 105 .Wrappers holders and carriers 106 .Cigar tagging or labeling 107 .Bundling 108 .Tobacco feeding 109.1 ..With brushing, carding, or picking means 109.2 ...With separator for tobacco dust, stems or foreign material 109.3 ...With vibrating tamper or rake 110 ..With separator or suction device 111 PLUG OR COMPRESSED SHAPE MAKING 112 .Packing or bundlingg 113 ..Tagging or labeling 114 ...With tag or label making 115 .Turret type 116 .Continuous sheet type 117 ..With cutting 118 .With cutting 119 .Molds 290 TOBACCO TREATMENT 291 .Puffing 292 ..Including freeze drying 293 ..By chemical reaction 294 ..By radiant energy 295 ..By high frequency field 296 ..By contact with hot gaseous medium 297 .Extraction of component, other than moisture, by contact with diverse medium 298 ..By organic solvent 299 .With electrical or radiant energy 300 .With fluid or fluent material 301 ..Including means to create a vacuum 302 ..Including means to circulate fluid 303 ...And temperature or humidity control of fluid 304 ...Including means to convey tobacco 305 ..Within rotary drum-type apparatus 306 ..Including means to convey tobacco 307 ...Including expressing rolls 308 ..Containing enzymes to cause fermentation 309 ..Other than water, steam, or air 310 ...Organic 311 .Including leaf disintegration 312 ..And separation of fibers of different character 313 .Leaf stemming 314 ..With stem cleaning 315 ..And straightening, smoothing, flattening, or cleaning 316 ...Booking 317 ....Stemmed by rotary or endless cutter 318 ..By fluid current 319 ..By tearing 320 ...Including transverse stem cutting 321 ...Card clothing type 322 ..By cutting 323 ...Stem die type 324 .Leaf straightening, brushing, smoothing, rolling, corrugating, or flattening with or without stem crushing 325 ..And cleaning 326 ..Booking 327 .Leaf associating or disassociating 328 MAKING OR USING TOBACCO USERS' APPLIANCE 329 TOBACCO USERS' APPLIANCE 330 .Device used for smoking 173 ..Smoke washing type 174 ..Wind or ash guarding or ash receiving 175 ...Cigar or cigarette holders 176 ...Pipe covers 177 ....With tamper or tamper type 178 ..Combined or convertible 179 ...Plural smoking devices 180 ...With storage means, feeder, and/or plural bowll 181 ....Follower 182 ...With ejector 183 ....Tobacco support type 184.1 ...With cleaner, stirrer, or tamper 184.2 ....Pipe bowl type 184.3 ....With cleaner extending or operable through external passage 185 ...With igniter and/or match scratcher 186 ...With support 187 ..Cigar and cigarette holders 188 ...With piercing device 189 ....Smoke conducting 190 ...With movable gripper or holder 191 ..Tubes 192 ..Foldable or collapsible 193 ..Base burner type 194 ..Heat exchanging and/or insulating 195 ...Cooling air passages 196 ...Spaced inner bowl 197 ....Plural reversely extending passages 198.1 ..Supplemental or substitute air inlet 198.2 ...Adjustable air inlet type 199 ..Longitudinally divided 200 ..Smoke treating 201 ...Material separator and trap 202 ....Filter and/or absorber 203 .....Absorber only (no filtering) 204 ......Lined or coated bowls or stems 205 .....Tobacco supports 206 ......With valve or external passage closure 207 .....Absorbent or particulate 209 ....Spiral passage 210 ....Serial checks or baffles 211 ....Chamber enclosed tubes or nipples 212.1 .....Smoke direction changing 212.2 ......Concentric ducts 213 ....Plural reversely extending passages 214 ....Bowl detachable from neck cup 215.1 ....With valve in smoke path or removable, external passage closure 215.2 .....With filter 215.3 .....Valve 216 ..Special smoke passages 217 ...Spiral passage 218 ...Plural reversely extending 219 ..Lined or coated 220 ...Bowl 221 ..Reversible bowl 222 ..Bowl detachable from neck cup 223 ..With valve or external passage closure 224 ..Tobacco supports 225 ..Joints and connections 226 ..Bowls 227 ..Stems, bits or tips 228 ...With sleeve or cap 229 ...Outlet end shapes and orifices 230 ..Materials and compositions 231 .With ash receiverr 232 ..Smoking device cleaner 233 ..Tip cutter, perforator or slitter 234 ..Igniter or scratching surface 235.1 ..Extinguisher 236 ...Liquid type 237 ...Movable extinguishing member 237.5 ...Split tube type 238 ..And devices for other use 239 ...Match holder 240.1 ..Cigar, cigarette, or smoking device rest or holder 241 ...With special receiver support 242 ...With closure or covered compartment 242.5 ...With cigar or cigarette ejector, dumper, or advancer 242.6 ...With grid or grille .Smoking device cleaners 243 ..Combined or compound 244 ..Fluid type 245 ..Stem 246 ..Bowl 247 .Pipe tampers 248 .Cigar and cigarette end cutters, combined 249 ..With igniter or scratching surface 250 ..With receptacle or holder 250.1 ...Dispensing type 251 ...Match receptacle 252 ..With perforator or slitter 253 .Cigar tip perforators or slitters 254 ..Pin or drill 255 ..Punch 256 .Cigar or cigarette extinquishers 257 .Supports 258 ..Finger ring type 259 ..Staff type 260 ..Smoking device 331 SMOKE SEPARATOR OR TREATER 332 .Having a polymer 333 .By electric, magnetic, or radioactive action 334 .By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc. 335 .By adding constituent to smoke stream 336 ..Air 337 ..Having destructible, fusible, soluble, or deformable container for treatment material 338 .Having means to vary smoke flow rate 339 .Interior surface causes particular flow characteristic 340 ..By use of specific filter mass 341 .Plural diverse elements 342 ..Including particulate material 343 ..Plasticizer or adhesive coating 344 ..Occupying plural, separate, distinct zones 345 .Including a cellulose ester or ether 346 .With indicator or inspection means 347 TOBACCO OR TOBACCO SUBSTITUTE PRODUCT OR COMPONENT PART THEREOF 348 .Pipe cartridges 349 .With ash retainer or means to prevent or retard burning 350 .With means to pierce or protect cigar end structure 351 .With means to facilitate ignition 352 .Compositions, e.g., smoking or chewing mixture or mediumm 353 ..Reconstituted tobacco 354 ...Material coated with tobacco dust or particle 355 ...Tobacco particles bonded by nontobacco adhesive 356 ...Having tobacco extracts or tobacco paste 357 ...Tobacco sheet formed from wet ground or wet beaten tobacco 358 ...Wrapper 359 ..Tobacco substitute, i.e., nontobacco 360 .Cigar or cigarette 361 ..End structure 362 ...Coated or impregnated 363 ...Filler penetrating 364 ..Blank or filler 365 ..Wrapper or binder 366 .Plug tobacco 367 ..Having specific shape 368 ..With indentification, marking, label, or tag 369 METHOD OR APPARATUS FOR MAKING TOBACCO SUBSTITUTE 370 METHOD OR APPARATUS FOR MAKING RECONSTITUTED TOBACCO 371 .Dust impingement 372 .Slurry 373 .Impregnation of web 374 .Paper process 375 .Extrusion * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 LIQUIFIED GAS EMPLOYED IN PUFFING TOBACCO 901 ORGANIC LIQUID EMPLOYED IN PUFFING TOBACCO 902 INORGANIC CHEMICAL AGENTS EMPLOYED IN PUFFING TOBACCO 903 FIXING THE PRODUCT AFTER PUFFING 904 PNEUMATIC MEANS FOR SENSING CONDITION OR CHARACTERISTIC 905 RADIATION SOURCE FOR SENSING CONDITION OR CHARACTERISTIC 906 SENSING CONDITION OR CHARACTERISTIC OF CONTINUOUS TOBACCO ROD 907 EJECTION OR REJECTION OF FINISHED ARTICLE DUE TO DETECTED OR SENSED CONDITION 908 SENSING UNIQUE CHARACTERISTIC OR SPECIFIC CONDITION OF FINISHED PRODUCT 909 SENSING CONDITION IN FEED HOPPER FOR CIGAR OR CIGARETTE MAKING 910 SENSING OR DETECTING MALFUNCTION IN CIGAR OR CIGARETTE MAKER * ***************************** * DIGEST * ***************************** DIG 1 Pipe literature