Motorboat-ladder

Description

FIG. 1 is a perspective view of motorboat-ladder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image of that shown;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2; and,

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 4.

Referenced Cited
U.S. Patent Documents
2924291 February 1960 Tunslead
4249683 February 10, 1981 Park
4432436 February 21, 1984 Suiter
4541507 September 17, 1985 Gibellato
4637492 January 20, 1987 Herr
4719872 January 19, 1988 Ritten
4768618 September 6, 1988 Ritten
Patent History
Patent number: D329420
Type: Grant
Filed: Apr 18, 1990
Date of Patent: Sep 15, 1992
Inventor: Masayoshi Tsuchiya (Mukoudai-chou, Tanashi-shi, Tokyo)
Primary Examiner: Kay H. Chin
Attorneys: Edwin E. Greigg, Ronald E. Greigg
Application Number: 7/510,794