Air circulator

Description

FIG. 1 is a side elevational view of an air circulator embodying our new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1170551 February 1916 Marty
2528650 November 1950 Graham
3173353 March 1965 Watkins
3347025 October 1967 Wiley
3750557 August 1973 Peill et al.
3827342 August 1974 Hughes
3973479 August 10, 1976 Whiteley
4053732 October 11, 1977 Carter
4064203 December 20, 1977 Cox
4136606 January 30, 1979 Wolbrink
4152973 May 8, 1979 Peterson
Foreign Patent Documents
2275734 June 1974 FRX
2296818 December 1974 FRX
Patent History
Patent number: D254803
Type: Grant
Filed: Nov 21, 1977
Date of Patent: Apr 22, 1980
Inventors: Douglas B. Rusth (Portland, OR), David A. Martin (Beaverton, OR)
Primary Examiner: James R. Largen
Attorney: James D. Givnan, Jr.
Application Number: 5/853,623
Classifications
Current U.S. Class: D23/151
International Classification: D2304;