Screw

- SFS Stadler AG
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Description

FIG. 1 is a top plan view of a screw showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view taken from the right of FIG. 2;

FIG. 4 is a fragmentary rear elevational view, the remainder being the same as FIG. 2;

FIG. 5 is a fragmentary side elevational view taken from the left of FIG. 2, the remainder being the same as FIG. 3;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a fragmentary sectional view taken in the direction of the arrows on line 7--7 of FIG. 3.

Referenced Cited
U.S. Patent Documents
3747143 July 1973 Eager
Other references
  • Hassall Cat. 40, .COPYRGT.1941, p. 35, Threaded Nail (second from top, right center). Unbrako Metric Socket Screws Brochure, front cover, Screw (far right).
Patent History
Patent number: D264807
Type: Grant
Filed: Sep 19, 1979
Date of Patent: Jun 8, 1982
Assignee: SFS Stadler AG (Heerbrugg)
Inventor: Albert Baumgartner (Kriessern)
Primary Examiner: B. J. Bullock
Law Firm: Toren, McGeady & Stanger
Application Number: 6/77,162
Classifications
Current U.S. Class: D/8387; D/8388
International Classification: D0808;