Dart

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Description

FIG. 1 is a top plan view of the dart showing my new design;

FIG. 2 is a bottom plan view of the dart;

FIG. 3 is a one side elevation view of the dart; and

FIG. 4 is another side elevation view of the dart.

The characteristic feature of my design resides in the particular conically tapered configuration of the head and tip portion in combination with the finned body as shown.

Referenced Cited
U.S. Patent Documents
3425695 February 1969 Kestenbaum
3596910 August 1971 Rizzo
Foreign Patent Documents
775002 January 1968 CAX
Patent History
Patent number: D254559
Type: Grant
Filed: Dec 12, 1977
Date of Patent: Mar 25, 1980
Inventor: John F. Chmela (Mt. Prospect, IL)
Primary Examiner: Melvin B. Feifer
Law Firm: Jakala, Knechtel, Valentino, Demeur & Dallas
Application Number: 5/859,663
Classifications
Current U.S. Class: D21/49
International Classification: D2101;