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MICROPOROUS DIFFUSION APPARATUS

10/997,452 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 24, 2004
Examiner FREDDIE GARY PRINCE JR
Class 210
Art Group 1797
Patent No. 7,537,706
Case Type Utility - 210/741000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/943,111 Patented
Parent 09/606,952 Patented
Parent 09/220,401 Patented
Parent 08/756,273 Patented
Parent 08/638,017 Abandoned
Parent 29/38,499 Abandoned
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Last Updated: 4 years, 11 months ago
Date # Transaction