Catamaran anti-pitch hydrofoil

Description

FIG. 1 is a top plan view of a catamaran anti-pitch hydrofoil showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D197822 March 1964 Hoerner et al.
3797434 March 1974 Matthews
3988994 November 2, 1976 Nitzki
4205618 June 3, 1980 Olsson
Patent History
Patent number: D271582
Type: Grant
Filed: Sep 3, 1981
Date of Patent: Nov 29, 1983
Inventor: Lloyd C. Knowles (Hopkinton, MA)
Primary Examiner: A. Hugo Word
Attorney: William Nitkin
Application Number: 6/298,944
Classifications
Current U.S. Class: Element Or Attachment (5) (D12/317)
International Classification: D1216;