Hollow screw

- Physical Systems, Inc.
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Description

FIG. 1 is a perspective view showing the front, top and left sides of the hollow screw;

FIG. 2 is a front elevation view of the hollow screw;

FIG. 3 is a rear elevation view of the hollow screw;

FIG. 4 is a right side elevation view of the hollow screw;

FIG. 5 is a left side elevation view of the hollow screw;

FIG. 6 is a top plan view of the hollow screw; and,

FIG. 7 is a bottom plan view of the hollow screw.

The broken lines in the drawings illustrate portions of the hollow screw and form no part of the claimed design.

The depth of the internal bottom surface of the hollow shaft forms no part of the claimed design.

Claims

The ornamental design for a hollow screw, as shown and described.

Referenced Cited
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D679988 April 16, 2013 Yamazaki
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Foreign Patent Documents
101363469 February 2009 CN
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Patent History
Patent number: D764267
Type: Grant
Filed: Jul 7, 2015
Date of Patent: Aug 23, 2016
Assignee: Physical Systems, Inc. (Carson City, NV)
Inventor: Charles G. Hutter, III (Carson City, NV)
Primary Examiner: Sheryl Lane
Assistant Examiner: Ieisha Price
Application Number: 29/532,513
Classifications
Current U.S. Class: D8/387