Air purifier

- Pyramid Products, Inc.
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Description

FIG. 1 is a perspective top view of an air purifier showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D196066 August 1963 Stolarz
D201721 July 1965 Katzman et al.
D205648 August 1966 Katzman et al.
D221763 September 1971 Gilbertson
D235547 June 1975 Schimanski
D267114 November 30, 1982 Lynch, Jr. et al.
3861894 January 1975 Marsh
4148618 April 10, 1979 Christenson et al.
4272261 June 9, 1981 Lynch, Jr. et al.
4344776 August 17, 1982 Yarnieli
4377399 March 22, 1983 Bryson
Patent History
Patent number: D274837
Type: Grant
Filed: Nov 29, 1982
Date of Patent: Jul 24, 1984
Assignee: Pyramid Products, Inc. (Thornton, CO)
Inventors: Patrick E. Lynch (Thornton, CO), James M. Wimsatt (Reno, NV)
Primary Examiner: James R. Largen
Law Firm: Townsend and Townsend
Application Number: 6/445,301
Classifications
Current U.S. Class: D23/149