Fan

- Steelcase Inc.
Description

FIG. 1 is a front and left side perspective view of a fan, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a right side elevational view thereof, wherein the left side elevational view is substantially identical.

Referenced Cited
U.S. Patent Documents
D104119 April 1937 Schwarz
D135599 April 1943 Spear
D214017 May 1969 Joly
D221762 September 1971 Boggs et al.
D314617 February 12, 1991 Yuen
Foreign Patent Documents
143857 December 1978 JPX
Other references
  • Industrial Equipment News, Jan. 1940, p. 11, Chromalox Electric Air Heater, Heating Equipment Box I.
Patent History
Patent number: D325433
Type: Grant
Filed: Jun 6, 1990
Date of Patent: Apr 14, 1992
Assignee: Steelcase Inc. (Grand Rapids, MI)
Inventors: Paul B. Siebert (Grand Rapids, MI), Timothy R. Stern (Grand Rapids, MI)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 7/533,915
Classifications
Current U.S. Class: Circular Grille (D23/382)