Bowling pin core

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Description

FIG. 1 is a first side elevational view of a bowling pin core showing my new design;

FIG. 2 is a second side elevational view taken from the side opposite to FIG. 1 of the bowling pin core showing my new design;

FIG. 3 is a top plan view of the bowling pin core showing my new design;

FIG. 4 is a bottom plan view of a bowling pin core showing my new design.

Referenced Cited
U.S. Patent Documents
814257 March 1906 Wilson
3329430 July 1967 Wanders
3984104 October 5, 1976 Negrini
Foreign Patent Documents
913,650 October 1972 CA
Patent History
Patent number: D247920
Type: Grant
Filed: Sep 29, 1976
Date of Patent: May 16, 1978
Inventor: Robert H. Dykehouse (Sterling Heights, MI)
Primary Examiner: Melvin B. Feifer
Attorney: Arnold S. Weintraub
Application Number: 5/727,674
Classifications
Current U.S. Class: D34/5GP
International Classification: D2102;