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Publication numberUSD236265 S
Publication typeGrant
Publication dateAug 12, 1975
Publication numberUS D236265 S, US D236265S, US-S-D236265, USD236265 S, USD236265S
InventorsOsidt I. Dwnidtcr
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Best available copy
US D236265 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

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US7740765May 13, 2009Jun 22, 2010The Procter & Gamble CompanyMethods for treating water
US7740766May 13, 2009Jun 22, 2010The Procter & Gamble Companyfiltration through mesoporous activated carbon filter particles; killing or removal of bacteria, viruses, and microorganisms; particles coated with silver or a silver containing material
US7749394May 13, 2009Jul 6, 2010The Procter & Gamble CompanyMethods of treating water
US7850859May 13, 2009Dec 14, 2010The Procter & Gamble CompanyTreating low-pressure, untreated drinking water with a water treatment device comprising a storage housing and mesoporous activated carbon filter particles; pore size adequate toremove bacteria and viruses; potable drinking water forthird-world countries
US7922008 *Jul 10, 2009Apr 12, 2011The Procter & Gamble CompanyWater filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
US8119012Mar 7, 2011Feb 21, 2012The Procter & Gamble CompanyWater filter materials and water filters containing a mixture of microporous and mesoporous carbon particles