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VERTICAL AXIS CENTRIFUGAL SEPARATOR

13/111,590 | U.S. Patent Application

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Filed May 19, 2011
Examiner Marc C Howell
Class 494
Art Group 1774
Patent No. 9,216,422
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 days, 3 hours ago
Date # Transaction