Hollow screw
Description
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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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
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