Tapping screw

- Pias Sales Co., Ltd.
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Description

FIG. 1 is a top plan view of the tapping screw;

FIG. 2 is a front elevation thereof;

FIG. 3 is a bottom plan view;

FIG. 4 is a right-side elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a left-side elevation thereof;

FIG. 7 is a cross section taken along the line 7-7 in FIG. 1; and,

FIG. 8 is a perspective partially magnified reference view of the threaded portion of the screw. The portion is shown enlarged for ease of illustration.

Claims

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

Referenced Cited
U.S. Patent Documents
3238836 March 1966 Johnson
3398625 August 1968 Ansingh
3537288 November 1970 Ansingh
4834602 May 30, 1989 Takasaki
5110245 May 5, 1992 Hiroyuki
5772374 June 30, 1998 Ide et al.
7021877 April 4, 2006 Birkelbach et al.
7037059 May 2, 2006 Dicke
D601004 September 29, 2009 Hagins
7762752 July 27, 2010 Kato
Patent History
Patent number: D646152
Type: Grant
Filed: Nov 4, 2010
Date of Patent: Oct 4, 2011
Assignee: Pias Sales Co., Ltd. (Osaka)
Inventor: Kimio Shinjo (Osaka)
Primary Examiner: Cynthia M Chin
Assistant Examiner: Sheryl Lane
Attorney: Antonelli, Terry, Stout & Kraus, LLP.
Application Number: 29/378,404
Classifications
Current U.S. Class: D8/387