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CONCRETE VACUUM CHAMBER

12/506,575 | U.S. Patent Application

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Location ELECTRONIC
Filed July 21, 2009
Examiner NATHAN K FORD
Class 118
Art Group 1716
Case Type Utility - 118/719000
Status Abandoned -- Failure to Respond to an Office Action
Parent 61/84,158 Expired
Child PCT/US09/51860 Published
Last Updated: 4 years ago
Date # Transaction