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CYCLONIC ARRAY SUCH AS FOR A VACUUM CLEANER

11/953,317 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 10, 2007
Examiner DUNG H BUI
Class 055
Art Group 1797
Patent No. 7,867,308
Case Type Utility - 055/346000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 60/870,175 Expired
Parent 60/889,014 Expired
Parent 60/884,767 Expired
Last Updated: 3 years ago
Date # Transaction