Cylindrical filter element

- Fleetguard, Inc.
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Description

FIG. 1 is a front elevational view of a cylindrical filter element showing our new design;

FIG. 2 is a right side elevational view thereof; and,

FIG. 3 is a rear elevational view thereof.

The broken line showing of environmental structure in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.

A characteristic feature of the design resides in continuous, overlapping circular beads which are visible through a spiral wrap.

Referenced Cited
U.S. Patent Documents
D349567 August 9, 1994 Miller et al.
D374476 October 8, 1996 Page et al.
D390910 February 17, 1998 Sundquist
3241680 March 1966 Humbert, Jr.
3442392 May 1969 Skelley
3552553 January 1971 Reading
3747770 July 1973 Zentis
4402830 September 6, 1983 Pall
5039413 August 13, 1991 Harwood et al.
5639370 June 17, 1997 Fall et al.
5690765 November 25, 1997 Stoyell et al.
Foreign Patent Documents
1 337 170 1973 GBX
Patent History
Patent number: D403741
Type: Grant
Filed: Jan 29, 1998
Date of Patent: Jan 5, 1999
Assignee: Fleetguard, Inc. (Nashville, TN)
Inventors: Prabhakar B. Rao (Cookeville, TN), Edwin A. Castellanos (Cookeville, TN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Woodard, Emhardt, Naughton, Moriarty & McNett
Application Number: 0/82,738
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)
International Classification: 2301;