Portable dart board backboard
Description
FIG. 1 is a front elevation of a portable dart board backboard showing my new design;
FIG. 2 is a rear elevation;
FIG. 3 is a top plan view; and
FIG. 4 is a side elevation.
Referenced Cited
U.S. Patent Documents
D256138 | July 29, 1980 | Tesar |
1525339 | February 1925 | Toohey |
2201527 | May 1940 | Freeman |
3501149 | March 1970 | Meyer |
Patent History
Patent number: D287737
Type: Grant
Filed: May 2, 1983
Date of Patent: Jan 13, 1987
Inventor: Glen K. Wallace (Del Mar, CA)
Primary Examiner: Melvin B. Feifer
Attorney: David J. Harshman
Application Number: 6/490,869
Type: Grant
Filed: May 2, 1983
Date of Patent: Jan 13, 1987
Inventor: Glen K. Wallace (Del Mar, CA)
Primary Examiner: Melvin B. Feifer
Attorney: David J. Harshman
Application Number: 6/490,869
Classifications
Current U.S. Class:
D21/6