|
|
![]() |
Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
![]() |
You are viewing a USPC Schedule. |
![]() |
Class 208 | MINERAL OILS: PROCESSES AND PRODUCTS |
Click here for a printable version of this file |
![]() | ![]() | 1 | SYNTHETIC DRYING OILS |
![]() | ![]() | 2 | PHENOLIC OR TOXIC OILS |
![]() | ![]() | 3 | OXIDATION OF MINERAL OILS |
![]() | ![]() | 390 | TAR SAND TREATMENT WITH LIQUID |
![]() | ![]() | 400 | BY TREATMENT OF SOLID MINERAL, E.G., COAL LIQUEFACTION, ETC. |
![]() | ![]() | 401 | ![]() |
![]() | ![]() | 402 | ![]() |
![]() | ![]() | 403 | ![]() |
![]() | ![]() | 404 | ![]() |
![]() | ![]() | 407 | ![]() |
![]() | ![]() | 408 | ![]() |
![]() | ![]() | 409 | ![]() |
![]() | ![]() | 411 | ![]() |
![]() | ![]() | 412 | ![]() |
![]() | ![]() | 414 | ![]() |
![]() | ![]() | 415 | ![]() |
![]() | ![]() | 416 | ![]() |
![]() | ![]() | 417 | ![]() |
![]() | ![]() | 418 | ![]() |
![]() | ![]() | 419 | ![]() |
![]() | ![]() | 420 | ![]() |
![]() | ![]() | 421 | ![]() |
![]() | ![]() | 423 | ![]() |
![]() | ![]() | 424 | ![]() |
![]() | ![]() | 426 | ![]() |
![]() | ![]() | 427 | ![]() |
![]() | ![]() | 428 | ![]() |
![]() | ![]() | 429 | ![]() |
![]() | ![]() | 430 | ![]() |
![]() | ![]() | 431 | ![]() |
![]() | ![]() | 432 | ![]() |
![]() | ![]() | 433 | ![]() |
![]() | ![]() | 434 | ![]() |
![]() | ![]() | 435 | ![]() |
![]() | ![]() | 12 | COLORNG TREATMENTS (INCLUDES FLUORESCENCE) |
![]() | ![]() | 13 | TREATMENT OF REFINING SLUDGE |
![]() | ![]() | 14 | PRODUCTS AND COMPOSITIONS |
![]() | ![]() | 24 | PARAFFIN WAX; TREATMENT OR RECOVERY |
![]() | ![]() | 25 | ![]() |
![]() | ![]() | 26 | ![]() |
![]() | ![]() | 27 | ![]() |
![]() | ![]() | 28 | ![]() |
![]() | ![]() | 39 | ASPHALTS, TARS, PITCHES AND RESINS; MAKING, TREATING AND RECOVERY |
![]() | ![]() | 40 | ![]() |
![]() | ![]() | 41 | ![]() |
![]() | ![]() | 44 | ![]() |
![]() | ![]() | 45 | ![]() |
![]() | ![]() | 46 | CHEMICAL CONVERSION OF HYDROCARBONS |
![]() | ![]() | 47 | ![]() |
![]() | ![]() | 48R | ![]() |
![]() | ![]() | 49 | ![]() |
![]() | ![]() | 50 | ![]() |
![]() | ![]() | 56 | ![]() |
![]() | ![]() | 57 | ![]() |
![]() | ![]() | 58 | ![]() |
![]() | ![]() | 59 | ![]() |
![]() | ![]() | 60 | ![]() |
![]() | ![]() | 61 | ![]() |
![]() | ![]() | 62 | ![]() |
![]() | ![]() | 67 | ![]() |
![]() | ![]() | 78 | ![]() |
![]() | ![]() | 81 | ![]() |
![]() | ![]() | 82 | ![]() |
![]() | ![]() | 83 | ![]() |
![]() | ![]() | 84 | ![]() |
![]() | ![]() | 85 | ![]() |
![]() | ![]() | 95 | ![]() |
![]() | ![]() | 106 | ![]() |
![]() | ![]() | 107 | ![]() |
![]() | ![]() | 108 | ![]() |
![]() | ![]() | 109 | ![]() |
![]() | ![]() | 110 | ![]() |
![]() | ![]() | 111.01 | ![]() |
![]() | ![]() | 111.05 | ![]() |
![]() | ![]() | 111.1 | ![]() |
![]() | ![]() | 111.15 | ![]() |
![]() | ![]() | 111.2 | ![]() |
![]() | ![]() | 111.25 | ![]() |
![]() | ![]() | 111.3 | ![]() |
![]() | ![]() | 111.35 | ![]() |
![]() | ![]() | 112 | ![]() |
![]() | ![]() | 113 | ![]() |
![]() | ![]() | 114 | ![]() |
![]() | ![]() | 115 | ![]() |
![]() | ![]() | 118 | ![]() |
![]() | ![]() | 119 | ![]() |
![]() | ![]() | 120.01 | ![]() |
![]() | ![]() | 120.05 | ![]() |
![]() | ![]() | 120.1 | ![]() |
![]() | ![]() | 120.15 | ![]() |
![]() | ![]() | 120.2 | ![]() |
![]() | ![]() | 120.25 | ![]() |
![]() | ![]() | 120.3 | ![]() |
![]() | ![]() | 120.35 | ![]() |
![]() | ![]() | 121 | ![]() |
![]() | ![]() | 125 | ![]() |
![]() | ![]() | 131 | ![]() |
![]() | ![]() | 132 | ![]() |
![]() | ![]() | 133 | ![]() |
![]() | ![]() | 142 | ![]() |
![]() | ![]() | 146 | ![]() |
![]() | ![]() | 147 | ![]() |
![]() | ![]() | 148 | ![]() |
![]() | ![]() | 149 | ![]() |
![]() | ![]() | 150 | ![]() |
![]() | ![]() | 152 | ![]() |
![]() | ![]() | 153 | ![]() |
![]() | ![]() | 154 | ![]() |
![]() | ![]() | 155 | ![]() |
![]() | ![]() | 157 | ![]() |
![]() | ![]() | 158 | ![]() |
![]() | ![]() | 159 | ![]() |
![]() | ![]() | 161 | ![]() |
![]() | ![]() | 163 | ![]() |
![]() | ![]() | 165 | ![]() |
![]() | ![]() | 166 | ![]() |
![]() | ![]() | 168 | ![]() |
![]() | ![]() | 169 | ![]() |
![]() | ![]() | 170 | ![]() |
![]() | ![]() | 171 | ![]() |
![]() | ![]() | 172 | ![]() |
![]() | ![]() | 173 | ![]() |
![]() | ![]() | 176 | ![]() |
![]() | ![]() | 177 | REFINING |
![]() | ![]() | 178 | ![]() |
![]() | ![]() | 179 | ![]() |
![]() | ![]() | 180 | ![]() |
![]() | ![]() | 181 | ![]() |
![]() | ![]() | 184 | ![]() |
![]() | ![]() | 187 | ![]() |
![]() | ![]() | 189 | ![]() |
![]() | ![]() | 190 | ![]() |
![]() | ![]() | 191 | ![]() |
![]() | ![]() | 192 | ![]() |
![]() | ![]() | 193 | ![]() |
![]() | ![]() | 195 | ![]() |
![]() | ![]() | 196 | ![]() |
![]() | ![]() | 197 | ![]() |
![]() | ![]() | 203 | ![]() |
![]() | ![]() | 207 | ![]() |
![]() | ![]() | 208R | ![]() |
![]() | ![]() | 209 | ![]() |
![]() | ![]() | 210 | ![]() |
![]() | ![]() | 211 | ![]() |
![]() | ![]() | 212 | ![]() |
![]() | ![]() | 213 | ![]() |
![]() | ![]() | 218 | ![]() |
![]() | ![]() | 219 | ![]() |
![]() | ![]() | 220 | ![]() |
![]() | ![]() | 221 | ![]() |
![]() | ![]() | 222 | ![]() |
![]() | ![]() | 223 | ![]() |
![]() | ![]() | 226 | ![]() |
![]() | ![]() | 227 | ![]() |
![]() | ![]() | 228 | ![]() |
![]() | ![]() | 229 | ![]() |
![]() | ![]() | 230 | ![]() |
![]() | ![]() | 236 | ![]() |
![]() | ![]() | 237 | ![]() |
![]() | ![]() | 241 | ![]() |
![]() | ![]() | 242 | ![]() |
![]() | ![]() | 243 | ![]() |
![]() | ![]() | 244 | ![]() |
![]() | ![]() | 245 | ![]() |
![]() | ![]() | 246 | ![]() |
![]() | ![]() | 247 | ![]() |
![]() | ![]() | 248 | ![]() |
![]() | ![]() | 249 | ![]() |
![]() | ![]() | 250 | ![]() |
![]() | ![]() | 208M | ![]() |
![]() | ![]() | 251R | ![]() |
![]() | ![]() | 254R | ![]() |
![]() | ![]() | 255 | ![]() |
![]() | ![]() | 262.1 | ![]() |
![]() | ![]() | 263 | ![]() |
![]() | ![]() | 264 | ![]() |
![]() | ![]() | 265 | ![]() |
![]() | ![]() | 266 | ![]() |
![]() | ![]() | 267 | ![]() |
![]() | ![]() | 268 | ![]() |
![]() | ![]() | 269 | ![]() |
![]() | ![]() | 270 | ![]() |
![]() | ![]() | 271 | ![]() |
![]() | ![]() | 273 | ![]() |
![]() | ![]() | 276 | ![]() |
![]() | ![]() | 279 | ![]() |
![]() | ![]() | 280 | ![]() |
![]() | ![]() | 282 | ![]() |
![]() | ![]() | 283 | ![]() |
![]() | ![]() | 289 | ![]() |
![]() | ![]() | 290 | ![]() |
![]() | ![]() | 292 | ![]() |
![]() | ![]() | 293 | ![]() |
![]() | ![]() | 294 | ![]() |
![]() | ![]() | 295 | ![]() |
![]() | ![]() | 296 | ![]() |
![]() | ![]() | 297 | ![]() |
![]() | ![]() | 298 | ![]() |
![]() | ![]() | 299 | ![]() |
![]() | ![]() | 300 | ![]() |
![]() | ![]() | 301 | ![]() |
![]() | ![]() | 302 | ![]() |
![]() | ![]() | 303 | ![]() |
![]() | ![]() | 304 | ![]() |
![]() | ![]() | 305 | ![]() |
![]() | ![]() | 306 | ![]() |
![]() | ![]() | 307 | ![]() |
![]() | ![]() | 308 | FRACTIONATION |
![]() | ![]() | 309 | ![]() |
![]() | ![]() | 310R | ![]() |
![]() | ![]() | 311 | ![]() |
![]() | ![]() | 312 | ![]() |
![]() | ![]() | 313 | ![]() |
![]() | ![]() | 314 | ![]() |
![]() | ![]() | 315 | ![]() |
![]() | ![]() | 316 | ![]() |
![]() | ![]() | 317 | ![]() |
![]() | ![]() | 318 | ![]() |
![]() | ![]() | 319 | ![]() |
![]() | ![]() | 320 | ![]() |
![]() | ![]() | 321 | ![]() |
![]() | ![]() | 322 | ![]() |
![]() | ![]() | 323 | ![]() |
![]() | ![]() | 325 | ![]() |
![]() | ![]() | 328 | ![]() |
![]() | ![]() | 330 | ![]() |
![]() | ![]() | 332 | ![]() |
![]() | ![]() | 333 | ![]() |
![]() | ![]() | 336 | ![]() |
![]() | ![]() | 337 | ![]() |
![]() | ![]() | 338 | ![]() |
![]() | ![]() | 339 | ![]() |
![]() | ![]() | 340 | ![]() |
![]() | ![]() | 347 | ![]() |
![]() | ![]() | 348 | ![]() |
![]() | ![]() | 349 | ![]() |
![]() | ![]() | 350 | ![]() |
![]() | ![]() | 351 | ![]() |
![]() | ![]() | 352 | ![]() |
![]() | ![]() | 353 | ![]() |
![]() | ![]() | 354 | ![]() |
![]() | ![]() | 356 | ![]() |
![]() | ![]() | 357 | ![]() |
![]() | ![]() | 358 | ![]() |
![]() | ![]() | 359 | ![]() |
![]() | ![]() | 360 | ![]() |
![]() | ![]() | 361 | ![]() |
![]() | ![]() | 362 | ![]() |
![]() | ![]() | 364 | ![]() |
![]() | ![]() | 366 | ![]() |
![]() | ![]() | 367 | ![]() |
![]() | ![]() | 368 | ![]() |
![]() | ![]() | 369 | ![]() |
![]() | ![]() | 370 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
![]() | ![]() | 950 | PROCESSING OF "FISCHER-TROPSCH" CRUDE |
![]() | ![]() | 951 | SOLID FEED TREATMENT WITH A GAS OTHER THAN AIR, HYDROGEN OR STEAM |
![]() | ![]() | 952 | SOLID FEED TREATMENT UNDER SUPERCRITICAL CONDITIONS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
![]() | ![]() | DIG1 | AUTOMATIC CONTROL |
![]() | ![]() | DIG2 | MOLECULAR SIEVE |
This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.
Please send questions and comments to usptoinfo@uspto.gov .
Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information
Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
Contact Information
Or, browse
their on-line catalog.
The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website. |
|