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United States Patent and Trademark Office

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Int. Cl.: 11<br />

Prior U.S. Cls.: 13, 21, 23, 31 <strong>and</strong> 34<br />

Reg. No. 2,905,681<br />

<strong>United</strong> <strong>States</strong> <strong>Patent</strong> <strong>and</strong> <strong>Trademark</strong> <strong>Office</strong> Registered Nov. 30, 2004<br />

DIRT BAG INC. (MICHIGAN CORPORATION)<br />

25280 RENAISSANCE ROAD<br />

CALUMET, MI 49913<br />

FOR: AIR FILTERS FOR INDUSTRIAL COMPU-<br />

TERS, IN CLASS 11 (U.S. CLS. 13, 21, 23, 31 AND 34).<br />

TRADEMARK<br />

PRINCIPAL REGISTER<br />

"SIMPLY EFFECTIVE"<br />

FIRST USE 5-22-2002; IN COMMERCE 5-22-2002.<br />

SER. NO. 76-510,101, FILED 4-28-2003.<br />

PAM WILLIS, EXAMINING ATTORNEY

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