Threaded fastener with serrated head

Description

FIG. 1 is a front elevational view of a threaded fastener with serrated head showing my novel design, the rear view being identical;

FIG. 2 is a right side elevational view thereof which is symmetrical with and equivalent to a left side elevational view;

FIG. 3 is an enlarged top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
Other references
  • Elco Catalog, p. 212, screw, item A located at top of page, Sep. 1960.
Patent History
Patent number: D413059
Type: Grant
Filed: Mar 5, 1998
Date of Patent: Aug 24, 1999
Inventors: Brian Dell (St. Louis, MO), Robert Jacobs (St. Peters, MO)
Primary Examiner: Holly Baynham
Attorney: Kevin L. Klug
Application Number: 0/84,521
Classifications
Current U.S. Class: D/8387
International Classification: 0808;