Portable air purifier

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

Design Patent

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Design Patent

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D0495409

CLAIM:
The ornamental design for a portable air purifier, as shown and described.

REFERENCES:
patent: D379219 (1997-05-01), Ellwood
patent: D379220 (1997-05-01), Ellwood
patent: D388510 (1997-12-01), Rick et al.
patent: D399943 (1998-10-01), Ko
patent: D437038 (2001-01-01), Chuan

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