Trimaran boat with human-powered propeller drive

Description

FIG. 1 is a right side elevational view of a trimaran boat with human-powered propeller drive showing my new design, the left side elevational view being a mirror image of that shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D187357 March 1960 Silva
4698034 October 6, 1987 Anthonijsz
4968274 November 6, 1990 Gregory
Foreign Patent Documents
1251357 March 1989 CAX
2227170 November 1974 FRX
Patent History
Patent number: D326442
Type: Grant
Filed: Jul 6, 1989
Date of Patent: May 26, 1992
Inventor: Sidney G. Shutt (Brea, CA)
Primary Examiner: Kay H. Chin
Law Firm: Christie, Parker & Hale
Application Number: 7/376,259