Gangway ladder or similar article

Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D220673 May 1971 Holbrook
2478177 August 1984 Beutel et al.
2641785 June 1953 Pitts et al.
3953980 May 4, 1976 Bennett
4035861 July 19, 1977 Edge
Foreign Patent Documents
2814333 October 1978 DEX
1236447 June 1971 GBX
Patent History
Patent number: D284418
Type: Grant
Filed: Jun 3, 1983
Date of Patent: Jun 24, 1986
Inventor: Tsiung S. Tseng (Fukuoka City 810)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/500,959
Classifications
Current U.S. Class: Ramp (D34/32)