Fan
Latest Steelcase Inc. Patents:
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
Foreign Patent Documents
Other references
D104119 | April 1937 | Schwarz |
D135599 | April 1943 | Spear |
D214017 | May 1969 | Joly |
D221762 | September 1971 | Boggs et al. |
D314617 | February 12, 1991 | Yuen |
143857 | December 1978 | JPX |
- 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
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)