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Classes 211 - 245

Class Date Established
211 1927
212 1912
213 1922
215 1920
216 1995
217 1901
218 1995
219 1904
220 1919
221 1954
222 1944
223 1935
224 1902
225 1959
226 1960
227 1965
228 1965
229 1899
231 1901
232 1902
234 1960
235 1901
236 1919
237 1914
238 1919
239 1959
241 1944
242 1910
244 1936
245 1910
United States Patent and Trademark Office
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Last Modified: 7/1/2010 9:27:35 AM