Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2007-07-31
2007-07-31
Webster, Robin (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
29252778
CLAIM:
The ornamental design for a filter cartridge, as shown and described.
REFERENCES:
patent: D265277 (1982-07-01), Dunn
patent: D297857 (1988-09-01), Alexander et al.
patent: D361823 (1995-08-01), Layton et al.
patent: 5456830 (1995-10-01), Stanford et al.
patent: D448448 (2001-09-01), Hughes et al.
patent: 6325929 (2001-12-01), Bassett
Fletcher Christine
Kennedy Gregory
Khamis Chaouki
EcoWater Systems LLC
Patzik, Frank & Samotny Ltd.
Webster Robin
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