Patent
   D752964
Priority
Jul 10 2014
Filed
Jan 05 2015
Issued
Apr 05 2016
Expiry
Apr 05 2030
Assg.orig
Entity
unknown
0
23
n/a
The ornamental design for a ball screw, as shown and described.

FIG. 1 is a perspective view of a ball screw.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines shown in the drawings illustrate portions of the ball screw that form no part of the claimed design.

Nakamura, Futoshi, Kubota, Yuji

Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 05 2015THK Co., Ltd.(assignment on the face of the patent)
Feb 03 2015KUBOTA, YUJITHK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0349500187 pdf
Feb 03 2015NAKAMURA, FUTOSHITHK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0349500187 pdf
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