Threads of a screw
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