Colon model

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Description

FIG. 1 is a perspective view of a colon model showing my new design.

FIG. 2 is a right end elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a left end elevational view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
3613265 October 1971 Stern et al.
Other references
  • Hammond's Human Anatomy Atlas, 1960, p. 7, Colon. Clay-Adams for Medicine & Biology, 1953, p. 163, upper left, Item No. 2030, Digestive System.
Patent History
Patent number: D256373
Type: Grant
Filed: Dec 2, 1977
Date of Patent: Aug 12, 1980
Inventor: Gerald Marks (Narberth, PA)
Primary Examiner: Melvin B. Feifer
Attorney: Karl L. Spivak
Application Number: 5/857,050
Classifications
Current U.S. Class: Demonstrator Or Exhibitor (10) (D19/62)
International Classification: D1907;