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VACUUM DEMAND VALVE

10/266,002 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 7, 2002
Examiner STEPHEN M HEPPERLE
Class 137
Art Group 3700
Patent No. 6,712,095
Case Type Utility - 137/854000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/880,720 Patented
Last Updated: 4 years, 7 months ago
Date # Transaction