Keyboard stacker

Description

FIG. 1 is a perspective view of a keyboard stacker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D23450 July 1894 Heffner
D28772 May 1898 Morrow
D75295 May 1928 Sobel
D237231 October 1975 Wells
580655 April 1897 Thew
1169157 January 1916 Honold
Patent History
Patent number: D278670
Type: Grant
Filed: Dec 9, 1982
Date of Patent: May 7, 1985
Inventor: Darrell A. Schoenig (Ft. Collins, CO)
Primary Examiner: Carmen H. Vales
Application Number: 6/448,268
Classifications
Current U.S. Class: D/6463; D/6464; D/6465