Underground crane

- Timberline, Inc.
Description

FIG. 1 is a perspective view of the underground crane showing our new design with the crane assembly in operable condition;

FIG. 2 is a side elevational view thereof with the crane assembly in collapsed condition;

FIG. 3 is a rear elevational view of FIG. 2.

FIG. 4 is a top plan view of FIG. 2.

FIG. 5 is a front elevational view of FIG. 2.

The side opposite to that shown in FIG. 2 is substantially a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D183367 August 1958 Park
3045836 July 1962 Evans
3326390 June 1967 Hackenberger
Patent History
Patent number: D255890
Type: Grant
Filed: Jan 5, 1978
Date of Patent: Jul 15, 1980
Assignee: Timberline, Inc. (Lander, WY)
Inventors: Ted W. Wilkes, Jr. (Lander, WY), Darel L. Wentworth (Lander, WY)
Primary Examiner: James M. Gandy
Law Firm: Sheridan, Ross, Fields & McIntosh
Application Number: 5/867,359
Classifications
Current U.S. Class: D12/57
International Classification: D1205;