Room air ionizer

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Description

FIG. 1 is a front elevational view of a room air ionizer showing my new design, the rear being a mirror image of the front shown;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D192560 April 1962 Rinaldi
D218686 September 1970 Saito
D244856 June 28, 1977 Haufe et al.
D255486 June 17, 1980 Bender
D266505 October 12, 1982 Rakocy
D269292 June 7, 1983 McGraw
2218198 October 1940 Harris
3861894 January 1975 Marsh
4253852 March 3, 1981 Adams
4261712 April 14, 1981 Kinkado
4361427 November 30, 1982 Barradas
Patent History
Patent number: D272558
Type: Grant
Filed: Jul 27, 1981
Date of Patent: Feb 7, 1984
Assignee: Igu Aktiengesellschaft
Inventor: Juergen Greubel (Hedenrod)
Primary Examiner: James R. Largen
Law Firm: Jacobson & Johnson
Application Number: 6/286,776
Classifications
Current U.S. Class: D23/149
International Classification: D2304;