Surfacing unit


FIG. 1 is a top plan view of a surfacing unit showing our new design;

FIG. 2 is an elevational view taken along line 2--2 in FIG. 1;

FIG. 3 is an elevational view taken along line 3--3 in FIG. 1;

FIG. 4 is an enlarged fragmentary top perspective view of a corner of the unit; and

FIG. 5 is a bottom plan view.

The characteristic features of our design are the side structures, including the slots and extensions.

Referenced Cited
U.S. Patent Documents
D239245 March 1976 Fletcher
D253984 January 22, 1980 Nissinen
D255744 July 8, 1980 Dekko
4016357 April 5, 1977 Abrahamsen
Foreign Patent Documents
1550381 December 1968 FRX
Patent History
Patent number: D274588
Type: Grant
Filed: Oct 9, 1980
Date of Patent: Jul 10, 1984
Inventors: Larry B. Swanson (Parkersburg, WV), Dan Kotler (Salt Lake City, UT)
Primary Examiner: Jane E. Corrigan
Attorneys: Calvin E. Thorpe, Vaughn W. North, M. Wayne Western
Application Number: 6/192,439
Current U.S. Class: D/6582; D/6585