Screw

Description

FIG. 1 is a front elevational view of the screw showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
161390 March 1875 Cummings
378614 February 1888 Palmer
1897196 February 1933 Hunt
2684094 July 1954 Lissy
3808937 May 1974 Roehrig
4572039 February 25, 1986 Desjardins
Foreign Patent Documents
0953399 December 1949 FRX
1498827 January 1978 GBX
Other references
  • "Handbook of Pictorial Symbols"; R. Modley; .COPYRGT.1976; p. 52; anchor symbol (line 5).
Patent History
Patent number: D343571
Type: Grant
Filed: Mar 14, 1991
Date of Patent: Jan 25, 1994
Inventor: Edward G. Von Seggern (Corinth, NY)
Primary Examiner: B. J. Bullock
Attorney: S. Michael Bender
Application Number: 7/669,324
Classifications
Current U.S. Class: D/8387