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Publication numberUSD227886 S
Publication typeGrant
Publication dateJul 24, 1973
Filing dateApr 29, 1971
Publication numberUS D227886 S, US D227886S, US-S-D227886, USD227886 S, USD227886S
InventorsCarlos Martinez
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Antipollution water filter
US D227886 S
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Description  (OCR text may contain errors)

r' Des. 227,886 Ice Patented July 24, 1973 United States Patent 0 ANTIPOLLUTION WATER FILTER Carlos Martinez, 111 Mendoza Ave., Coral Gables, Fla.

Filed Apr. 29, 1971, Ser. No. 138,852

Term of patent 14 years Int. Cl. D23-0I US. Cl. D234 F/GZ] F/aZ l FIG. 1 is a side elevational view of an antipollution References Cit d water filter showing my new design. UNITED STATES PATENTS FIG. 2 is a front elevational view thereof. FIG. 3 is a top plane view thereof. 224m5 7/1972 Turturro D234 I claim; 2,334,791 11/1943 Roffy D23-4 X The ornamental design for an antipollution water filter, O HER REFERENCES as shown.

House Beautiful, April 1965, p. 62, top right item.

JAMES R. LARGEN, Primary Examiner

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US7615152Aug 19, 2003Nov 10, 2009Pur Water Purification Products, Inc.Water filter device
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