Marble raceway

Description

FIG. 1 is a front elevational view of a marble raceway showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D256811 September 9, 1980 Crawford
347682 August 1886 Buckingham
408635 August 1889 Sommer
1252158 January 1918 Okel
3028704 April 1962 Rumbaugh
4175665 November 27, 1979 Dogliotti
Patent History
Patent number: D307780
Type: Grant
Filed: Apr 18, 1988
Date of Patent: May 8, 1990
Inventor: Gaylen D. Healzer (Nixa, MO)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Alicia A. Farrell
Law Firm: Hovey, Williams, Timmons & Collins
Application Number: 7/182,765
Classifications
Current U.S. Class: D21/143; D21/8; D21/59