Crane

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear end view;

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

FIG. 7 is a front end view.

Referenced Cited
U.S. Patent Documents
3521860 July 1970 Zehrung, Jr. et al.
4508233 April 2, 1985 Helms
4669703 June 2, 1987 Hawkins et al.
4899986 February 13, 1990 Tweedy
Other references
  • Air Technical Industries Flyer, May 1983, pp. 1 and 15.
Patent History
Patent number: D341242
Type: Grant
Filed: Nov 20, 1991
Date of Patent: Nov 9, 1993
Inventor: Donald F. Thorby (Binnaway, New South Wales 2395)
Primary Examiner: Kay H. Chin
Law Firm: Ladas & Parry
Application Number: 7/795,651