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
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