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Classes 292 - 318

Class Date Established
292 1919
293 1918
294 1919
295 1918
296 1919
297 1961
298 1919
299 1964
300 1921
301 1920
303 1920
305 1959
307 1952
310 1952
312 1927
313 1950
314 1941
315 1943
318 1947
United States Patent and Trademark Office
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Last Modified: 7/1/2010 9:27:37 AM