U.S. patent number D461,545 [Application Number D/114,377] was granted by the patent office on 2002-08-13 for sleeve for tube fitting. This patent grant is currently assigned to Nippon Pillar Packing Co., Ltd.. Invention is credited to Kiyoshi Nishio.
United States Patent | D461,545 |
Nishio | August 13, 2002 |
Inventors: | Nishio; Kiyoshi (Hyogo, JP) |
---|---|
Assignee: | Nippon Pillar Packing Co., Ltd.
(Osaka, JP) |
Appl. No.: | D/114,377 |
Filed: | November 22, 1999 |
Current U.S. Class: | D23/266; D23/259 |
Current International Class: | 2301 |
Field of Search: | ;D23/259,262,269 ;285/48,109,115,294.1,332.2,335,341,382.7,910,342 |
4556242 | December 1985 | Kowal et al. |
5074599 | December 1991 | Wirbel et al. |
5154453 | October 1992 | Nishio |
5217261 | June 1993 | DeWitt et al. |
5551735 | September 1996 | Takayanagi et al. |
5720504 | February 1998 | Stedman et al. |
5934714 | August 1999 | Sugiyama et al. |
6073976 | June 2000 | Schmidt et al. |
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