U.S. patent number D591,020 [Application Number D/252,270] was granted by the patent office on 2009-04-21 for handle assembly for a cleaning tool. This patent grant is currently assigned to 3M Innovative Properties Company. Invention is credited to Perry S. Dotterman, Arthur V. Lang, Christopher J. Miller, Mauro Porcini, Sigurdur Thorsteinsson.
United States Patent | D591,020 |
Dotterman , et al. | April 21, 2009 |
Inventors: | Dotterman; Perry S. (Maplewood, MN), Lang; Arthur V. (Maplewood, MN), Miller; Christopher J. (Milan, IT), Thorsteinsson; Sigurdur (Milan, IT), Porcini; Mauro (Milan, IT) |
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Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
Appl. No.: | D/252,270 |
Filed: | January 20, 2006 |
Current U.S. Class: | D32/52; D32/35; D7/393 |
Current International Class: | 0401 |
Field of Search: | ;D32/35,39,52,40 ;D7/393-395,354-365 ;D8/107,99 ;81/177.1,436-437,438-440,489 ;16/11R,111R,110.1,431 ;15/143.1,159.1,160,164,206,430 ;30/323 ;220/573.1-573.5,752-759 ;D4/138 |
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Four pictures (marked C1) of a "Scotch Brite" (trade mark) toilet bowl scrubber that was on sale by 3M Company, St. Paul, MN, more than one year prior to the filing date of the subject patent application. cited by other . Three pictures (marked C2) of a "Scotch Brite" (trade mark) toilet bowl brush that was on sale by 3M Company, St. Paul, MN, more than one year prior to the filing date of the subject patent application. cited by other . Design Division Document No. HH08046492 from the Korean Industrial Property Office, published Jan. 18, 1996 in the Korean Official Bulletin of Designs and Trademarks. cited by other. |
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