Patent
   D669160
Priority
Jan 07 2011
Filed
Jul 06 2011
Issued
Oct 16 2012
Expiry
Oct 16 2026

TERM.DISCL.
Assg.orig
Entity
unknown
2
22
n/a
The ornamental design for a dimpled steel pipe, as shown and described.

FIG. 1 is a front elevation view of a dimpled 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 dimpled steel pipe shown in FIG. 1.

FIG. 8 is a cross-sectional view taken along the line 8-8 in FIG. 7; and,

FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 7.

The length of the dimpled steel pipe is indeterminate and thus its precise length is not claimed, and the dimples are repeated at regular intervals throughout the length of the dimpled steel pipe.

Motegi, Yuki, Oosawa, Takashi, Takagi, Masahide, Satoh, Tetsu

Patent Priority Assignee Title
9062432, Feb 22 2011 Nippon Steel Corporation Depression-provided steel pipe and composite pile
D679785, Jan 07 2011 NIPPON STEEL AND SUMITOMO METAL CORPORATION Dented steel pipe
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 05 2011MOTEGI, YUKINippon Steel CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0268280823 pdf
Jul 05 2011TAKAGI, MASAHIDENippon Steel CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0268280823 pdf
Jul 05 2011OOSAWA, TAKASHINippon Steel CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0268280823 pdf
Jul 05 2011SATOH, TETSUNippon Steel CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0268280823 pdf
Jul 06 2011Nippon Steel Corporation(assignment on the face of the patent)
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