Threads of a screw
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Description
The broken lines are included for the purpose of showing portions of the article and form no part of the claimed design.
Claims
The ornamental design for threads of a screw, as shown and described.
Patent History
Patent number: D676312
Type: Grant
Filed: Oct 17, 2011
Date of Patent: Feb 19, 2013
Assignee: Kwantex Research Inc. (Tainan)
Inventor: Chao Wei Lin (Tainan)
Primary Examiner: Sheryl Lane
Application Number: 29/404,139
Type: Grant
Filed: Oct 17, 2011
Date of Patent: Feb 19, 2013
Assignee: Kwantex Research Inc. (Tainan)
Inventor: Chao Wei Lin (Tainan)
Primary Examiner: Sheryl Lane
Application Number: 29/404,139
Classifications
Current U.S. Class:
D8/387