Dented steel pipe
Latest Nippon Steel Corporation Patents:
The length of the dented steel pipe is indeterminate and thus its precise length is not claimed, and the dents are repeated at regular intervals throughout the length of the dented steel pipe.
Claims
The ornamental design for a dented steel pipe, as shown and described.
85149 | December 1868 | Van Amringe |
D5178 | August 1871 | Gould |
D16763 | June 1886 | Pfeifer |
436463 | September 1890 | Richard |
650575 | May 1900 | Whitney |
910192 | January 1909 | Grouvelle et al. |
D76323 | September 1928 | Rowan |
D199084 | September 1964 | Feigenbaum |
3612175 | October 1971 | Ford et al. |
D330774 | November 3, 1992 | Klaric |
D355353 | February 14, 1995 | Pozzi |
D380886 | July 15, 1997 | Hauser et al. |
5729952 | March 24, 1998 | Dahl |
D415574 | October 19, 1999 | Shrira |
D415847 | October 26, 1999 | Schaefer |
D473663 | April 22, 2003 | Chou |
D496471 | September 21, 2004 | Fergusson |
D525684 | July 25, 2006 | Jhang |
D530482 | October 24, 2006 | Zhang et al. |
D539550 | April 3, 2007 | Ping Sheng |
D583486 | December 23, 2008 | Kelley |
20110030834 | February 10, 2011 | Booth |
Type: Grant
Filed: Jul 6, 2011
Date of Patent: Jun 5, 2012
Assignee: Nippon Steel Corporation (Tokyo)
Inventors: Yuki Motegi (Tokyo), Kunihiro Enomoto (Tokyo), Takashi Oosawa (Tokyo), Tetsu Satoh (Tokyo)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric Goodman
Attorney: Sughrue Mion, PLLC
Application Number: 29/396,708