Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD406316 S
Publication typeGrant
Application numberUS 29/082,858
Publication dateMar 2, 1999
Filing dateJan 29, 1998
Publication number082858, 29082858, US D406316 S, US D406316S, US-S-D406316, USD406316 S, USD406316S
InventorsPrabhakar B. Rao, Edwin A. Castellanos
Original AssigneeFleetguard, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Cylindrical filter element
US D406316 S
Abstract  available in
Previous page
Next page
  1. We claim the ornamental design for a cylindrical filter element, as shown and described.

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 non-contnuous beads which are visible through a spiral wrap.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6422395Jan 10, 2000Jul 23, 2002Nelson Industries Inc.Filter with preferential fluid affinity
US6610198Aug 22, 2001Aug 26, 2003Fleetguard, Inc.Liquid filter with change interval indicator
US6641742Apr 4, 2002Nov 4, 2003Fleetguard, Inc.Liquid filter with separate and calibrated vapor release
US6758980Nov 3, 2003Jul 6, 2004Fleetguard, Inc.Change interval plugging indicator provided in filter housing by gas trap and pressure responsive release mechanism which traps gas in upper section of inlet chamber until designated release pressure is reached, preventing premature indication
US8877054May 9, 2012Nov 4, 2014Transco Products Inc.High capacity suction strainer for an emergency core cooling system in a nuclear power plant
U.S. ClassificationD23/209