Self-sinking screw
Description
Claims
The ornamental design for a self-sinking screw, as shown and described.
Patent History
Patent number: D678758
Type: Grant
Filed: Aug 6, 2012
Date of Patent: Mar 26, 2013
Inventors: Joseph H. Ross (Alameda, CA), Christopher S. Ross (San Leandro, CA)
Primary Examiner: Sheryl Lane
Application Number: 29/428,953
Type: Grant
Filed: Aug 6, 2012
Date of Patent: Mar 26, 2013
Inventors: Joseph H. Ross (Alameda, CA), Christopher S. Ross (San Leandro, CA)
Primary Examiner: Sheryl Lane
Application Number: 29/428,953
Classifications
Current U.S. Class:
D8/387