Filter for a computer disk drive assembly

- Donaldson Company, Inc.
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Description

FIG. 1 is a top and side perspective view of a filter for a computer disk drive assembly showing my new design;

FIG. 2 is a bottom and side perspective view thereof;

FIG. 3 is a slightly reduced top plan view thereof;

FIG. 4 is a slightly reduced bottom plan view thereof; and

FIG. 5 is an enlarged side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D131556 March 1942 Karabin et al.
2053896 September 1936 Cover
2153437 April 1939 Schwartz
2213433 September 1940 Punton
2269461 January 1942 Lehmberg
4038979 August 2, 1977 McCosker
4308041 December 29, 1981 Ellis et al.
4489356 December 18, 1984 Farmer
Foreign Patent Documents
2024495 January 1980 GBX
Patent History
Patent number: D281163
Type: Grant
Filed: Sep 20, 1982
Date of Patent: Oct 29, 1985
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventor: Edgar A. Robinson (Bloomington, MN)
Primary Examiner: James M. Gandy
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/420,397
Classifications
Current U.S. Class: D14/109; D29/99