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Patent
   D260175
Priority
May 24 1979
Filed
May 24 1979
Issued
Aug 11 1981
Expiry
Aug 11 1995
Inventors
Hein, Wolf…
Assg.orig
Carl Schle…
Assg.curr
Carl Schle…
Entity
unknown
Referenced by
35
References
7
Maint.:
n/a
The ornamental design for a fluid filter unit, as shown.

FIG. 1 is a side elevational view of a fluid filter unit depicting the fluid inlet end at the top and the fluid outlet end at the bottom;

FIG. 2 is a bottom plan view of the filter unit facing the fluid outlet end;

FIG. 3 is a top plan view of the filter unit _facing the fluid inlet end; and

FIG. 4 is a perspective view of the filter unit. _
INVENTORS:

Hein, Wolfgang, Grundmann, Peter

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4528095, Jan 27 1983 Filtering system for potable water
5376270, Jun 24 1993 Porous Media Corporation Box filter
5489352, Jun 24 1993 Porous Media Corporation Method of sealing filter media within a box filter housing
5599448, Jun 24 1993 Porous Media Corporation Box filter apparatus
5853587, Dec 14 1996 Corrosive resistant disk filter
7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
8562722, Dec 22 2010 EATON INTELLIGENT POWER LIMITED Structural reinforcements for filter assemblies
9671318, Dec 02 2015 Medline Industries, LP Specimen collector
D267117, Jul 22 1980 PALL CORPORATION, A CORP OF NY Breathing circuit filter
D273330, Sep 28 1981 Baxter Travenol Laboratories, Inc. Medical fluid filter
D285606, Nov 19 1982 Gambro Lundia AB Housing for a medical disk filter
D290639, Apr 08 1984 Amcor Ltd Cleanable fluid filter
D305934, Nov 27 1986 Terumo Kabushiki Kaisha Filter for treating blood
D306340, Sep 04 1987 BRITISH ALCAN ALUMINIUM PLC, A BRITISH COMPANY Filter housing
D357737, Jun 24 1993 Porous Media Corporation Box filter
D358213, Feb 14 1992 Medical Manufacturers Pty Limited Medical filter
D373637, May 08 1995 Porous Media Corporation Box filter
D475461, Feb 15 2002 Nipro Corporation Filter for medical purpose
D555226, Jun 21 2006 FLUID TREATMENT SYSTEMS, INC Filter housing
D569685, Jun 26 2007 Pot valve
D620075, Aug 05 2008 U-TEC Corporation Filter cartridge
D731065, Mar 08 2013 Covidien LP EVQ pressure sensor filter of an exhalation module
D771832, Jun 17 2014 Medline Industries, LP Lid and screen assembly of a sample collection container with screen
D802758, Nov 26 2012 Hill-Rom Services, PTE Limited Filter housing with tube ports
D834196, Mar 29 2016 Hill-Rom Services, PTE Limited Filter housing with tube ports
D856073, Mar 02 2018 HANDI-CRAFT COMPANY Vent insert for a drinking container
D897489, Feb 12 2019 YPF TECNOLOGÍA S A Oil and aqueous phase separator
D897490, Feb 12 2019 YPF TECNOLOGÍA S A Oil and aqueous phase separator
D912763, Mar 20 2018 Filter for pet fountain
D985758, Nov 12 2019 HILL-ROM SERVICES PTE. LTD. End piece of a pneumatic patient circuit
D987025, Jan 11 2021 Filter of water drinking device for animals
D988467, Sep 20 2022 ABORDER PRODUCTS, INC Filter for pet fountain
ER2186,
ER7281,
ER8438,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3765537,
4111807, Feb 14 1977 GELMAN SCIENCES INC , A CORP OF MI Mouth filter for use with pipettes
4113627, Feb 10 1975 Filtertek, Inc Process for making hermetically sealed filter units and filters made thereby
4159954, Feb 24 1978 GISH BIOMEDICAL, INC Isolator filter
234721,
235035,
D247252, Feb 12 1976 Pall Corporation Filter assembly
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 24 1979Carl Schleicher & Schull GmbH & Co., KG(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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