Electronic marker for buried utilities

- A.P.C. Industries, Inc.
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Description

FIG. 1 is a perspective view of an electronic marker for buried utilities showing my new design.

FIG. 2 is a perspective view showing the side opposite that shown by FIG. 1.

FIG. 3 is an elevational view thereof on an enlarged scale.

Referenced Cited
U.S. Patent Documents
1365579 January 1921 Appleby et al.
4028707 June 7, 1977 Young et al.
Patent History
Patent number: D269664
Type: Grant
Filed: Sep 26, 1980
Date of Patent: Jul 12, 1983
Assignee: A.P.C. Industries, Inc. (Austin, TX)
Inventor: Barry M. Marks (Austin, TX)
Primary Examiner: Susan J. Lucas
Attorneys: Wm. T. Wofford, James C. Fails, Arthur F. Zobal
Application Number: 6/191,088
Classifications
Current U.S. Class: D10/104
International Classification: D1005;