Air cleaner

- Donaldson Company, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a side elevational view showing one end thereof;

FIG. 3 is a view like FIG. 2, showing the other end thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a view like FIG. 5 showing the other side thereof.

Referenced Cited
U.S. Patent Documents
D165332 December 1951 Heyer et al.
D225184 November 1972 Spies
2083649 June 1937 Heglar
2626009 January 1953 Sebok et al.
2963111 December 1960 Rohrbacher
3339347 September 1967 Otto, Jr.
3672130 June 1972 Sullivan et al.
Patent History
Patent number: D283621
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Apr 29, 1986
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Daniel S. Gauer (Apple Valley, MN), Steven M. Alseth (Bloomington, MN), Bruce M. Sullivan (Burnsville, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/431,168
Classifications
Current U.S. Class: Element Or Attachment (D15/5)