Ice diving safety beam

Description

FIG. 1 is a front, top and side perspective view of the ice diving safety beam showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown in FIG. 2;

FIG. 3 is an end elevational view thereof, the end opposite being a mirror image of the end shown in FIG. 3;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4179764 December 25, 1979 Lindblade
4227273 October 14, 1980 Lucciola
4547164 October 15, 1985 Coles et al.
4854257 August 8, 1989 Grayson
4919631 April 24, 1990 Stafford
5082464 January 21, 1992 Clink
Foreign Patent Documents
2183555 June 1987 GBX
Patent History
Patent number: D371410
Type: Grant
Filed: Mar 3, 1994
Date of Patent: Jul 2, 1996
Inventor: Stephen J. Kupstas (Eastlake, OH)
Primary Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 0/19,480
Classifications
Current U.S. Class: D21/236; Rescue (D29/124)