Cylindrical mandrel

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Description

FIG. 1 is a perspective view of the cylindrical mandrel of the present invention;

FIG. 2 is a first end view of the cylindrical mandrel of the present invention;

FIG. 3 is a second end view of the cylindrical mandrel of the present invention;

FIG. 4 is a right side view of the cylindrical mandrel of the present invention; and

FIG. 5 is a left side view of the cylindrical mandrel of the present invention.

FIG. 6 is a top view of the cylindrical mandrel of the present invention.

FIG. 7 is a bottom view of the cylindrical mandrel of the present invention; and,

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a cylindrical mandrel, as shown and described.

Referenced Cited
U.S. Patent Documents
3413391 November 1968 Carroll et al.
4695241 September 22, 1987 Ventimiglia
4982687 January 8, 1991 Takahashi et al.
D336094 June 1, 1993 Dejanon
D457899 May 28, 2002 Nam et al.
Patent History
Patent number: D527750
Type: Grant
Filed: Jul 9, 2004
Date of Patent: Sep 5, 2006
Assignee: D4D Technologies, L.P. (Richardson, TX)
Inventors: Jeffrey Prince (Grass Valley, CA), Rod Duncan (Plano, TX), Branko Bem (Plano, TX)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Carstens & Cahoon, LLP
Application Number: 29/209,124
Classifications
Current U.S. Class: Element Or Attachment (D15/138)