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VACUUM CLEANER

13/437,399 | U.S. Patent Application

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Location ELECTRONIC
Filed April 2, 2012
Examiner DAVID A REDDING
Class 015
Art Group 3723
Patent No. 8,667,640
Case Type Utility - 015/320000
Status Patented Case
Parent 11/954,137 Patented
Parent 60/894,005 Expired
Parent 60/869,586 Expired
Last Updated: 3 years, 7 months ago
Date # Transaction