Screw

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Description

FIG. 1 is a perspective view of a screw embodying my new design, the head thereof being partially in section;

FIG. 2 is an enlarged elevational view of the head of the screw taken from the left of FIG. 1.

Referenced Cited
U.S. Patent Documents
D126409 April 1941 Trott
D243317 February 8, 1977 Fukuyama
2764886 October 1956 Wiesmann
2940495 June 1960 Wing
4242932 January 6, 1981 Barmore
Foreign Patent Documents
0018931 1907 GBX
Other references
  • John Hassall, Inc. Cat.; .COPYRGT.1937; p. 18; Threaded Fastener (lower right).
Patent History
Patent number: D322928
Type: Grant
Filed: May 9, 1989
Date of Patent: Jan 7, 1992
Inventor: Walter S. Snodell (Glen Ellyn, IL)
Primary Examiner: B. J. Bullock
Attorney: Martin Faier
Application Number: 7/349,505
Classifications
Current U.S. Class: D/8387; D/8388; D/8391; D/8397