Warning marker for power lines


The FIGURE is a plan view of an warning marker for power lines, showing my new design.

The marker is of conventional thickness, and the rear is plain.

Referenced Cited
U.S. Patent Documents
D96866 September 1935 Stephens
D158662 May 1950 Hendrickson
D192342 March 1962 Berl
D266553 October 19, 1982 Kelly
Other references
  • Seton Identification Products p. J24 1989 (Electrical Hazard Sign).
Patent History
Patent number: D338044
Type: Grant
Filed: Jun 6, 1990
Date of Patent: Aug 3, 1993
Inventor: Albert F. Rusiewicz, Jr. (Natrona, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Carothers & Carothers
Application Number: 7/533,905
Current U.S. Class: Card Type (8) (D20/40); D10/109