Industrial fan

Latest Etudes Techniques et Representations Industrielles ETRI Patents:

Description

FIG. 1 is a front elevational view thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
3809504 May 1974 Goosens
4373860 February 15, 1983 Sloan
Patent History
Patent number: D291488
Type: Grant
Filed: Jun 19, 1985
Date of Patent: Aug 18, 1987
Assignee: Etudes Techniques et Representations Industrielles ETRI (Neuilly sur Seine)
Inventor: Jacques Delmas (Quaincy/Senart)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Young & Thompson
Application Number: 6/746,582
Classifications
Current U.S. Class: D23/162