Dented steel pipe

- Nippon Steel Corporation
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Description

FIG. 1 is a front elevation view of a dented steel pipe.

FIG. 2 is a rear elevation view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is an enlarged front elevation view of the portion of the dented steel pipe shown in FIG. 1.

FIG. 8 is an enlarged top plan view of the portion of the dented steel pipe shown in FIG. 3.

FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 8; and,

FIG. 10 is a cross-sectional view taken along the line 10-10 in FIG. 8.

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.

Referenced Cited
U.S. Patent Documents
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
Patent History
Patent number: D661379
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
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)